52015513551 has 8 divisors (see below), whose sum is σ = 69363505200. Its totient is φ = 34672265472.

The previous prime is 52015513523. The next prime is 52015513553. The reversal of 52015513551 is 15531551025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52015513551 - 2⁷ = 52015513423 is a prime.

It is a super-2 number, since 2×52015513551² (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 (52015513553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160226 + ... + 1204223.

It is an arithmetic number, because the mean of its divisors is an integer number (8670438150).

Almost surely, 2^52015513551 is an apocalyptic number.

52015513551 is a deficient number, since it is larger than the sum of its proper divisors (17347991649).

52015513551 is a wasteful number, since it uses less digits than its factorization.

52015513551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371785.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 52015513551 in words is "fifty-two billion, fifteen million, five hundred thirteen thousand, five hundred fifty-one".