53405032 has 24 divisors (see below), whose sum is σ = 101164050. Its totient is φ = 26430560.

The previous prime is 53405003. The next prime is 53405039. The reversal of 53405032 is 23050435.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 3363556 = 7074^2 + 1834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53404994 and 53405012.

It is not an unprimeable number, because it can be changed into a prime (53405039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137094 + ... + 137482.

Almost surely, 2^53405032 is an apocalyptic number.

It is an amenable number.

53405032 is a deficient number, since it is larger than the sum of its proper divisors (47759018).

53405032 is a wasteful number, since it uses less digits than its factorization.

53405032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 522 counting only the distinct ones).

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

The square root of 53405032 is about 7307.8746568342. The cubic root of 53405032 is about 376.5830135930.

Adding to 53405032 its reverse (23050435), we get a palindrome (76455467).

The spelling of 53405032 in words is "fifty-three million, four hundred five thousand, thirty-two".