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54570249774 = 233191227701
BaseRepresentation
bin110010110100101000…
…111110111000101110
312012212002112220201000
4302310220332320232
51343224440443044
641022541501130
73641205320055
oct626450767056
9165762486630
1054570249774
1121163535387
12a6ab5717a6
1351b8871931
1428d96c539c
151645c0cd69
hexcb4a3ee2e

54570249774 has 48 divisors (see below), whose sum is σ = 121909853520. Its totient is φ = 18094194000.

The previous prime is 54570249761. The next prime is 54570249791. The reversal of 54570249774 is 47794207545.

54570249774 is a `hidden beast` number, since 545 + 7 + 0 + 2 + 4 + 97 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54570249774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1956124 + ... + 1983824.

It is an arithmetic number, because the mean of its divisors is an integer number (2539788615).

Almost surely, 254570249774 is an apocalyptic number.

54570249774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54570249774 is an abundant number, since it is smaller than the sum of its proper divisors (67339603746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54570249774 is a wasteful number, since it uses less digits than its factorization.

54570249774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28094 (or 27897 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 54570249774 in words is "fifty-four billion, five hundred seventy million, two hundred forty-nine thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 191 382 573 1146 1719 3438 5157 10314 27701 36481 55402 72962 83103 109443 166206 218886 249309 328329 498618 656658 747927 984987 1495854 1969974 5290891 10581782 15872673 31745346 47618019 95236038 142854057 285708114 1010560181 2021120362 3031680543 6063361086 9095041629 18190083258 27285124887 54570249774