53140956 has 24 divisors (see below), whose sum is σ = 135268224. Its totient is φ = 16103280.

The previous prime is 53140939. The next prime is 53140957. The reversal of 53140956 is 65904135.

It is a happy number.

It is a super-2 number, since 2×53140956² = 5647922409187872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201160 + ... + 201423.

It is an arithmetic number, because the mean of its divisors is an integer number (5636176).

Almost surely, 2^53140956 is an apocalyptic number.

It is an amenable number.

53140956 is an abundant number, since it is smaller than the sum of its proper divisors (82127268).

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

53140956 is a wasteful number, since it uses less digits than its factorization.

53140956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402601 (or 402599 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 53140956 is about 7289.7843589505. The cubic root of 53140956 is about 375.9612812854.

The spelling of 53140956 in words is "fifty-three million, one hundred forty thousand, nine hundred fifty-six".