53020532551 has 16 divisors (see below), whose sum is σ = 61364427264. Its totient is φ = 44869726944.

The previous prime is 53020532519. The next prime is 53020532567. The reversal of 53020532551 is 15523502035.

It is not a de Polignac number, because 53020532551 - 2⁵ = 53020532519 is a prime.

It is a super-2 number, since 2×53020532551² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020532651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 899286 + ... + 956428.

It is an arithmetic number, because the mean of its divisors is an integer number (3835276704).

Almost surely, 2^53020532551 is an apocalyptic number.

53020532551 is a deficient number, since it is larger than the sum of its proper divisors (8343894713).

53020532551 is a wasteful number, since it uses less digits than its factorization.

53020532551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58830.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 53020532551 in words is "fifty-three billion, twenty million, five hundred thirty-two thousand, five hundred fifty-one".