53400532 has 24 divisors (see below), whose sum is σ = 96102720. Its totient is φ = 25947840.

The previous prime is 53400499. The next prime is 53400547. The reversal of 53400532 is 23500435.

It is a congruent number.

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, 58423 + ... + 59329.

It is an arithmetic number, because the mean of its divisors is an integer number (4004280).

Almost surely, 2^53400532 is an apocalyptic number.

It is an amenable number.

53400532 is a deficient number, since it is larger than the sum of its proper divisors (42702188).

53400532 is a wasteful number, since it uses less digits than its factorization.

53400532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53400532 is about 7307.5667632941. The cubic root of 53400532 is about 376.5724361180.

Adding to 53400532 its reverse (23500435), we get a palindrome (76900967).

The spelling of 53400532 in words is "fifty-three million, four hundred thousand, five hundred thirty-two".