53074140 has 96 divisors (see below), whose sum is σ = 171569664. Its totient is φ = 12007680.

The previous prime is 53074127. The next prime is 53074157. The reversal of 53074140 is 4147035.

It is a self number, because there is not a number n which added to its sum of digits gives 53074140.

It is a congruent number.

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, 44350 + ... + 45530.

It is an arithmetic number, because the mean of its divisors is an integer number (1787184).

Almost surely, 2^53074140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53074140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85784832).

53074140 is an abundant number, since it is smaller than the sum of its proper divisors (118495524).

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

53074140 is a wasteful number, since it uses less digits than its factorization.

53074140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 53074140 is about 7285.2000658870. The cubic root of 53074140 is about 375.8036454028.

The spelling of 53074140 in words is "fifty-three million, seventy-four thousand, one hundred forty".