53155344 has 40 divisors (see below), whose sum is σ = 149802912. Its totient is φ = 16107520.

The previous prime is 53155337. The next prime is 53155351. The reversal of 53155344 is 44355135.

It is an interprime number because it is at equal distance from previous prime (53155337) and next prime (53155351).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49809 + ... + 50864.

Almost surely, 2^53155344 is an apocalyptic number.

It is an amenable number.

53155344 is an abundant number, since it is smaller than the sum of its proper divisors (96647568).

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

53155344 is a wasteful number, since it uses less digits than its factorization.

53155344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100695 (or 100689 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 53155344 is about 7290.7711526285. The cubic root of 53155344 is about 375.9952089325.

It can be divided in two parts, 531553 and 44, that multiplied together give a palindrome (23388332).

The spelling of 53155344 in words is "fifty-three million, one hundred fifty-five thousand, three hundred forty-four".