53299520730 has 48 divisors (see below), whose sum is σ = 138759140520. Its totient is φ = 14194704384.

The previous prime is 53299520723. The next prime is 53299520753. The reversal of 53299520730 is 3702599235.

53299520730 is a `hidden beast` number, since 5 + 3 + 2 + 99 + 520 + 7 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28528223409 + 24771297321 = 168903^2 + 157389^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315847 + ... + 454266.

Almost surely, 2^53299520730 is an apocalyptic number.

53299520730 is an abundant number, since it is smaller than the sum of its proper divisors (85459619790).

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

53299520730 is a wasteful number, since it uses less digits than its factorization.

53299520730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770895 (or 770892 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 53299520730 in words is "fifty-three billion, two hundred ninety-nine million, five hundred twenty thousand, seven hundred thirty".