53432964 has 144 divisors (see below), whose sum is σ = 156549120. Its totient is φ = 15240960.

The previous prime is 53432941. The next prime is 53432983. The reversal of 53432964 is 46923435.

53432964 is a `hidden beast` number, since 534 + 32 + 96 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420669 + ... + 420795.

Almost surely, 2^53432964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53432964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78274560).

53432964 is an abundant number, since it is smaller than the sum of its proper divisors (103116156).

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

53432964 is a wasteful number, since it uses less digits than its factorization.

53432964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 53432964 is about 7309.7854961688. The cubic root of 53432964 is about 376.6486558682.

The spelling of 53432964 in words is "fifty-three million, four hundred thirty-two thousand, nine hundred sixty-four".