53748736 has 22 divisors (see below), whose sum is σ = 107447030. Its totient is φ = 26873856.

The previous prime is 53748727. The next prime is 53748743. The reversal of 53748736 is 63784735.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 16000000 = 6144^2 + 4000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53748692 and 53748701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221 + ... + 27268.

Almost surely, 2^53748736 is an apocalyptic number.

It is an amenable number.

53748736 is a deficient number, since it is larger than the sum of its proper divisors (53698294).

53748736 is an equidigital number, since it uses as much as digits as its factorization.

53748736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52509 (or 52491 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 53748736 is about 7331.3529447163. The cubic root of 53748736 is about 377.3891574051.

The spelling of 53748736 in words is "fifty-three million, seven hundred forty-eight thousand, seven hundred thirty-six".