53313432 has 32 divisors (see below), whose sum is σ = 134142000. Its totient is φ = 17656704.

The previous prime is 53313391. The next prime is 53313461. The reversal of 53313432 is 23431335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3307 + ... + 10842.

Almost surely, 2^53313432 is an apocalyptic number.

It is an amenable number.

53313432 is an abundant number, since it is smaller than the sum of its proper divisors (80828568).

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

53313432 is a wasteful number, since it uses less digits than its factorization.

53313432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315 (or 14311 counting only the distinct ones).

The product of its digits is 3240, while the sum is 24.

The square root of 53313432 is about 7301.6047551206. The cubic root of 53313432 is about 376.3675860484.

Adding to 53313432 its reverse (23431335), we get a palindrome (76744767).

The spelling of 53313432 in words is "fifty-three million, three hundred thirteen thousand, four hundred thirty-two".