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55692438 = 2315116143
BaseRepresentation
bin1101010001110…
…0110010010110
310212210110122220
43110130302112
5103224124223
65305403210
71244243424
oct324346226
9125713586
1055692438
112948960a
1216799506
13b6cc409
14757a114
154d516e3
hex351cc96

55692438 has 16 divisors (see below), whose sum is σ = 111476736. Its totient is φ = 18548840.

The previous prime is 55692379. The next prime is 55692443. The reversal of 55692438 is 83429655.

55692438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55692438.

It is a congruent number.

It is an unprimeable number.

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, 5995 + ... + 12137.

It is an arithmetic number, because the mean of its divisors is an integer number (6967296).

Almost surely, 255692438 is an apocalyptic number.

55692438 is an abundant number, since it is smaller than the sum of its proper divisors (55784298).

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

55692438 is a wasteful number, since it uses less digits than its factorization.

55692438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659.

The product of its digits is 259200, while the sum is 42.

The square root of 55692438 is about 7462.7366294142. The cubic root of 55692438 is about 381.8845397242.

The spelling of 55692438 in words is "fifty-five million, six hundred ninety-two thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 1511 3022 4533 6143 9066 12286 18429 36858 9282073 18564146 27846219 55692438