55692757 has 2 divisors, whose sum is σ = 55692758. Its totient is φ = 55692756.

The previous prime is 55692739. The next prime is 55692797. The reversal of 55692757 is 75729655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 16329681 = 6274^2 + 4041^2 .

It is a cyclic number.

It is not a de Polignac number, because 55692757 - 2¹¹ = 55690709 is a prime.

It is a super-2 number, since 2×55692757² = 6203366364522098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55692727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27846378 + 27846379.

It is an arithmetic number, because the mean of its divisors is an integer number (27846379).

Almost surely, 2^55692757 is an apocalyptic number.

It is an amenable number.

55692757 is a deficient number, since it is larger than the sum of its proper divisors (1).

55692757 is an equidigital number, since it uses as much as digits as its factorization.

55692757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 46.

The square root of 55692757 is about 7462.7580022402. The cubic root of 55692757 is about 381.8852688533.

The spelling of 55692757 in words is "fifty-five million, six hundred ninety-two thousand, seven hundred fifty-seven".