53292736 has 56 divisors (see below), whose sum is σ = 123480576. Its totient is φ = 22344960.

The previous prime is 53292731. The next prime is 53292737. The reversal of 53292736 is 63729235.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 53292695 and 53292704.

It is not an unprimeable number, because it can be changed into a prime (53292731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19791 + ... + 22321.

Almost surely, 2^53292736 is an apocalyptic number.

53292736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53292736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61740288).

53292736 is an abundant number, since it is smaller than the sum of its proper divisors (70187840).

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

53292736 is a wasteful number, since it uses less digits than its factorization.

53292736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2587 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 53292736 is about 7300.1873948550. The cubic root of 53292736 is about 376.3188784250.

The spelling of 53292736 in words is "fifty-three million, two hundred ninety-two thousand, seven hundred thirty-six".