52556515 has 16 divisors (see below), whose sum is σ = 69175296. Its totient is φ = 38015200.

The previous prime is 52556509. The next prime is 52556531. The reversal of 52556515 is 51565525.

It is not a de Polignac number, because 52556515 - 2²⁵ = 19002083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8004 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (4323456).

Almost surely, 2^52556515 is an apocalyptic number.

52556515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52556515 is a deficient number, since it is larger than the sum of its proper divisors (16618781).

52556515 is a wasteful number, since it uses less digits than its factorization.

52556515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210.

The product of its digits is 37500, while the sum is 34.

The square root of 52556515 is about 7249.5872296290. The cubic root of 52556515 is about 374.5779310583.

The spelling of 52556515 in words is "fifty-two million, five hundred fifty-six thousand, five hundred fifteen".