52748136 has 48 divisors (see below), whose sum is σ = 163269600. Its totient is φ = 15070752.

The previous prime is 52748107. The next prime is 52748141. The reversal of 52748136 is 63184725.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52748136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51826 + ... + 52833.

It is an arithmetic number, because the mean of its divisors is an integer number (3401450).

Almost surely, 2^52748136 is an apocalyptic number.

52748136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52748136 is an abundant number, since it is smaller than the sum of its proper divisors (110521464).

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

52748136 is a wasteful number, since it uses less digits than its factorization.

52748136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104678 (or 104671 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52748136 is about 7262.7911989813. The cubic root of 52748136 is about 375.0326158298.

The spelling of 52748136 in words is "fifty-two million, seven hundred forty-eight thousand, one hundred thirty-six".