52257415 has 32 divisors (see below), whose sum is σ = 73696896. Its totient is φ = 34836480.

The previous prime is 52257407. The next prime is 52257437. The reversal of 52257415 is 51475225.

52257415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52257415 - 2³ = 52257407 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 288625 + ... + 288805.

It is an arithmetic number, because the mean of its divisors is an integer number (2303028).

Almost surely, 2^52257415 is an apocalyptic number.

52257415 is a deficient number, since it is larger than the sum of its proper divisors (21439481).

52257415 is a wasteful number, since it uses less digits than its factorization.

52257415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its digits is 14000, while the sum is 31.

The square root of 52257415 is about 7228.9290354796. The cubic root of 52257415 is about 373.8660024033.

The spelling of 52257415 in words is "fifty-two million, two hundred fifty-seven thousand, four hundred fifteen".