55715502 has 8 divisors (see below), whose sum is σ = 111431016. Its totient is φ = 18571832.

The previous prime is 55715501. The next prime is 55715507. The reversal of 55715502 is 20551755.

55715502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

55715502 is an admirable number.

It is a super-2 number, since 2×55715502² = 6208434326224008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55715502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55715501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4642953 + ... + 4642964.

It is an arithmetic number, because the mean of its divisors is an integer number (13928877).

Almost surely, 2^55715502 is an apocalyptic number.

55715502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55715502 is a wasteful number, since it uses less digits than its factorization.

55715502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285922.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 55715502 is about 7464.2817470940. The cubic root of 55715502 is about 381.9372492706.

The spelling of 55715502 in words is "fifty-five million, seven hundred fifteen thousand, five hundred two".