53736816 has 40 divisors (see below), whose sum is σ = 158652544. Its totient is φ = 15353280.

The previous prime is 53736803. The next prime is 53736817. The reversal of 53736816 is 61863735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53736817) 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, 79630 + ... + 80301.

Almost surely, 2^53736816 is an apocalyptic number.

53736816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53736816 is an abundant number, since it is smaller than the sum of its proper divisors (104915728).

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

53736816 is a wasteful number, since it uses less digits than its factorization.

53736816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159949 (or 159943 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 53736816 is about 7330.5399528275. The cubic root of 53736816 is about 377.3612571437.

The spelling of 53736816 in words is "fifty-three million, seven hundred thirty-six thousand, eight hundred sixteen".