55502687 has 2 divisors, whose sum is σ = 55502688. Its totient is φ = 55502686.

The previous prime is 55502677. The next prime is 55502717. The reversal of 55502687 is 78620555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55502687 - 2¹⁴ = 55486303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55502687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55502677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751343 + 27751344.

It is an arithmetic number, because the mean of its divisors is an integer number (27751344).

Almost surely, 2^55502687 is an apocalyptic number.

55502687 is a deficient number, since it is larger than the sum of its proper divisors (1).

55502687 is an equidigital number, since it uses as much as digits as its factorization.

55502687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55502687 is about 7450.0125503250. The cubic root of 55502687 is about 381.4503369922.

The spelling of 55502687 in words is "fifty-five million, five hundred two thousand, six hundred eighty-seven".