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55354782 = 2371317971
BaseRepresentation
bin1101001100101…
…0010110011110
310212011022111010
43103022112132
5103132323112
65254240050
71241336130
oct323122636
9125138433
1055354782
112927895a
1216656026
13b611812
1474cd050
154cd663c
hex34ca59e

55354782 has 16 divisors (see below), whose sum is σ = 126525312. Its totient is φ = 15815640.

The previous prime is 55354769. The next prime is 55354799. The reversal of 55354782 is 28745355.

It is a self number, because there is not a number n which added to its sum of digits gives 55354782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658944 + ... + 659027.

It is an arithmetic number, because the mean of its divisors is an integer number (7907832).

Almost surely, 255354782 is an apocalyptic number.

55354782 is an abundant number, since it is smaller than the sum of its proper divisors (71170530).

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

55354782 is a wasteful number, since it uses less digits than its factorization.

55354782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317983.

The product of its digits is 168000, while the sum is 39.

The square root of 55354782 is about 7440.0794350598. The cubic root of 55354782 is about 381.1112026514. Note that the first 3 decimals are identical.

The spelling of 55354782 in words is "fifty-five million, three hundred fifty-four thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 1317971 2635942 3953913 7907826 9225797 18451594 27677391 55354782