52555915 has 4 divisors (see below), whose sum is σ = 63067104. Its totient is φ = 42044728.

The previous prime is 52555903. The next prime is 52555931. The reversal of 52555915 is 51955525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52555915 - 2⁵ = 52555883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255587 + ... + 5255596.

It is an arithmetic number, because the mean of its divisors is an integer number (15766776).

Almost surely, 2^52555915 is an apocalyptic number.

52555915 is a deficient number, since it is larger than the sum of its proper divisors (10511189).

52555915 is a wasteful number, since it uses less digits than its factorization.

52555915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511188.

The product of its digits is 56250, while the sum is 37.

The square root of 52555915 is about 7249.5458478445. The cubic root of 52555915 is about 374.5765056238.

The spelling of 52555915 in words is "fifty-two million, five hundred fifty-five thousand, nine hundred fifteen".