53772534 has 24 divisors (see below), whose sum is σ = 117580320. Its totient is φ = 17759088.

The previous prime is 53772503. The next prime is 53772539. The reversal of 53772534 is 43527735.

53772534 is a `hidden beast` number, since 53 + 7 + 72 + 534 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11742 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (4899180).

Almost surely, 2^53772534 is an apocalyptic number.

53772534 is an abundant number, since it is smaller than the sum of its proper divisors (63807786).

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

53772534 is a wasteful number, since it uses less digits than its factorization.

53772534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524 (or 27521 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53772534 is about 7332.9757943143. The cubic root of 53772534 is about 377.4448472852. Note that the first 3 decimals are identical.

The spelling of 53772534 in words is "fifty-three million, seven hundred seventy-two thousand, five hundred thirty-four".