53512525501 has 8 divisors (see below), whose sum is σ = 54962148920. Its totient is φ = 52063077888.

The previous prime is 53512525487. The next prime is 53512525511. The reversal of 53512525501 is 10552521535.

It can be written as a sum of positive squares in 4 ways, for example, as 5975444601 + 47537080900 = 77301^2 + 218030^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53512525501 - 2²³ = 53504136893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53512525511) 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, 778705 + ... + 844633.

It is an arithmetic number, because the mean of its divisors is an integer number (6870268615).

Almost surely, 2^53512525501 is an apocalyptic number.

It is an amenable number.

53512525501 is a deficient number, since it is larger than the sum of its proper divisors (1449623419).

53512525501 is a wasteful number, since it uses less digits than its factorization.

53512525501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87903.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 53512525501 in words is "fifty-three billion, five hundred twelve million, five hundred twenty-five thousand, five hundred one".