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55901744481 = 3111693992257
BaseRepresentation
bin110100000100000000…
…001110110101100001
312100021212222212001210
4310010000032311201
51403441321310411
641403024220333
74016203662612
oct640400166541
9170255885053
1055901744481
1121787094030
12aa0146a6a9
13536b68601b
1429c4483c09
1516c2a6eca6
hexd0400ed61

55901744481 has 8 divisors (see below), whose sum is σ = 81311628384. Its totient is φ = 33879845120.

The previous prime is 55901744473. The next prime is 55901744531. The reversal of 55901744481 is 18444710955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55901744481 - 23 = 55901744473 is a prime.

It is a super-2 number, since 2×559017444812 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55901744481.

It is not an unprimeable number, because it can be changed into a prime (55901744401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846996096 + ... + 846996161.

It is an arithmetic number, because the mean of its divisors is an integer number (10163953548).

Almost surely, 255901744481 is an apocalyptic number.

It is an amenable number.

55901744481 is a deficient number, since it is larger than the sum of its proper divisors (25409883903).

55901744481 is a wasteful number, since it uses less digits than its factorization.

55901744481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693992271.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 55901744481 in words is "fifty-five billion, nine hundred one million, seven hundred forty-four thousand, four hundred eighty-one".

Divisors: 1 3 11 33 1693992257 5081976771 18633914827 55901744481