52436728 has 16 divisors (see below), whose sum is σ = 98487000. Its totient is φ = 26173536.

The previous prime is 52436723. The next prime is 52436729. The reversal of 52436728 is 82763425.

It is a super-2 number, since 2×52436728² = 5499220886691968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52436723) 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, 343 + ... + 10246.

Almost surely, 2^52436728 is an apocalyptic number.

It is an amenable number.

52436728 is a deficient number, since it is larger than the sum of its proper divisors (46050272).

52436728 is a wasteful number, since it uses less digits than its factorization.

52436728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214 (or 11210 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 52436728 is about 7241.3208739842. The cubic root of 52436728 is about 374.2931347851.

The spelling of 52436728 in words is "fifty-two million, four hundred thirty-six thousand, seven hundred twenty-eight".