55501715 has 8 divisors (see below), whose sum is σ = 66840768. Its totient is φ = 44242240.

The previous prime is 55501703. The next prime is 55501729. The reversal of 55501715 is 51710555.

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

It is a de Polignac number, because none of the positive numbers 2^k-55501715 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18347 + ... + 21156.

It is an arithmetic number, because the mean of its divisors is an integer number (8355096).

Almost surely, 2^55501715 is an apocalyptic number.

55501715 is a deficient number, since it is larger than the sum of its proper divisors (11339053).

55501715 is a wasteful number, since it uses less digits than its factorization.

55501715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39789.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 55501715 is about 7449.9473152500. The cubic root of 55501715 is about 381.4481102418.

The spelling of 55501715 in words is "fifty-five million, five hundred one thousand, seven hundred fifteen".