53156344 has 8 divisors (see below), whose sum is σ = 99668160. Its totient is φ = 26578168.

The previous prime is 53156339. The next prime is 53156347. The reversal of 53156344 is 44365135.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3322264 + ... + 3322279.

It is an arithmetic number, because the mean of its divisors is an integer number (12458520).

Almost surely, 2^53156344 is an apocalyptic number.

It is an amenable number.

53156344 is a deficient number, since it is larger than the sum of its proper divisors (46511816).

53156344 is a wasteful number, since it uses less digits than its factorization.

53156344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644549 (or 6644545 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 53156344 is about 7290.8397321571. The cubic root of 53156344 is about 375.9975667565.

The spelling of 53156344 in words is "fifty-three million, one hundred fifty-six thousand, three hundred forty-four".