55692887 has 2 divisors, whose sum is σ = 55692888. Its totient is φ = 55692886.

The previous prime is 55692859. The next prime is 55692899. The reversal of 55692887 is 78829655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55692887 - 2⁶ = 55692823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55692587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27846443 + 27846444.

It is an arithmetic number, because the mean of its divisors is an integer number (27846444).

Almost surely, 2^55692887 is an apocalyptic number.

55692887 is a deficient number, since it is larger than the sum of its proper divisors (1).

55692887 is an equidigital number, since it uses as much as digits as its factorization.

55692887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The square root of 55692887 is about 7462.7667121517. The cubic root of 55692887 is about 381.8855659898.

The spelling of 55692887 in words is "fifty-five million, six hundred ninety-two thousand, eight hundred eighty-seven".