53250521251 has 12 divisors (see below), whose sum is σ = 56749146480. Its totient is φ = 49956901760.

The previous prime is 53250521243. The next prime is 53250521279. The reversal of 53250521251 is 15212505235.

It is not a de Polignac number, because 53250521251 - 2³ = 53250521243 is a prime.

It is a super-4 number, since 4×53250521251⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53250521851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206356 + ... + 386113.

It is an arithmetic number, because the mean of its divisors is an integer number (4729095540).

Almost surely, 2^53250521251 is an apocalyptic number.

53250521251 is a deficient number, since it is larger than the sum of its proper divisors (3498625229).

53250521251 is a wasteful number, since it uses less digits than its factorization.

53250521251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592814 (or 592797 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 53250521251 in words is "fifty-three billion, two hundred fifty million, five hundred twenty-one thousand, two hundred fifty-one".