53436730 has 32 divisors (see below), whose sum is σ = 98972928. Its totient is φ = 20764800.

The previous prime is 53436703. The next prime is 53436739. The reversal of 53436730 is 3763435.

It is a super-2 number, since 2×53436730² = 5710968226185800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53436692 and 53436701.

It is not an unprimeable number, because it can be changed into a prime (53436739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51315 + ... + 52345.

It is an arithmetic number, because the mean of its divisors is an integer number (3092904).

Almost surely, 2^53436730 is an apocalyptic number.

53436730 is a deficient number, since it is larger than the sum of its proper divisors (45536198).

53436730 is a wasteful number, since it uses less digits than its factorization.

53436730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 53436730 is about 7310.0430915283. The cubic root of 53436730 is about 376.6575044978.

The spelling of 53436730 in words is "fifty-three million, four hundred thirty-six thousand, seven hundred thirty".