53239074 has 64 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 14474880.

The previous prime is 53239057. The next prime is 53239091. The reversal of 53239074 is 47093235.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53239057) and next prime (53239091).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73687 + ... + 74405.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^53239074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53239074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

53239074 is an abundant number, since it is smaller than the sum of its proper divisors (74494686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53239074 is a wasteful number, since it uses less digits than its factorization.

53239074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53239074 is about 7296.5110840730. The cubic root of 53239074 is about 376.1925272125.

The spelling of 53239074 in words is "fifty-three million, two hundred thirty-nine thousand, seventy-four".