53423632 has 10 divisors (see below), whose sum is σ = 103508318. Its totient is φ = 26711808.

The previous prime is 53423621. The next prime is 53423651. The reversal of 53423632 is 23632435.

It can be written as a sum of positive squares in only one way, i.e., 40144896 + 13278736 = 6336^2 + 3644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53423632.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1669473 + ... + 1669504.

Almost surely, 2^53423632 is an apocalyptic number.

It is an amenable number.

53423632 is a deficient number, since it is larger than the sum of its proper divisors (50084686).

53423632 is a wasteful number, since it uses less digits than its factorization.

53423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338985 (or 3338979 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 53423632 is about 7309.1471458714. The cubic root of 53423632 is about 376.6267275201.

The spelling of 53423632 in words is "fifty-three million, four hundred twenty-three thousand, six hundred thirty-two".