53575732 has 12 divisors (see below), whose sum is σ = 107151520. Its totient is φ = 22961016.

The previous prime is 53575729. The next prime is 53575733. The reversal of 53575732 is 23757535.

53575732 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53575691 and 53575700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53575733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956682 + ... + 956737.

Almost surely, 2^53575732 is an apocalyptic number.

It is an amenable number.

53575732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53575732 is a wasteful number, since it uses less digits than its factorization.

53575732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913430 (or 1913428 counting only the distinct ones).

The product of its digits is 110250, while the sum is 37.

The square root of 53575732 is about 7319.5445213483. The cubic root of 53575732 is about 376.9838144777.

It can be divided in two parts, 535 and 75732, that added together give a palindrome (76267).

The spelling of 53575732 in words is "fifty-three million, five hundred seventy-five thousand, seven hundred thirty-two".