52251087 has 32 divisors (see below), whose sum is σ = 81510912. Its totient is φ = 29159424.

The previous prime is 52251079. The next prime is 52251091. The reversal of 52251087 is 78015225.

It is not a de Polignac number, because 52251087 - 2³ = 52251079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230068 + ... + 230294.

It is an arithmetic number, because the mean of its divisors is an integer number (2547216).

Almost surely, 2^52251087 is an apocalyptic number.

52251087 is a deficient number, since it is larger than the sum of its proper divisors (29259825).

52251087 is a wasteful number, since it uses less digits than its factorization.

52251087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 52251087 is about 7228.4913363716. The cubic root of 52251087 is about 373.8509109593.

The spelling of 52251087 in words is "fifty-two million, two hundred fifty-one thousand, eighty-seven".