5250972554 has 4 divisors (see below), whose sum is σ = 7876458834. Its totient is φ = 2625486276.

The previous prime is 5250972547. The next prime is 5250972557. The reversal of 5250972554 is 4552790525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5131573225 + 119399329 = 71635^2 + 10927^2 .

It is a super-2 number, since 2×5250972554² = 55145425525722565832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5250972557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312743137 + ... + 1312743140.

Almost surely, 2^5250972554 is an apocalyptic number.

5250972554 is a deficient number, since it is larger than the sum of its proper divisors (2625486280).

5250972554 is a wasteful number, since it uses less digits than its factorization.

5250972554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625486279.

The product of its (nonzero) digits is 630000, while the sum is 44.

The square root of 5250972554 is about 72463.5946803635. The cubic root of 5250972554 is about 1738.1206372016.

The spelling of 5250972554 in words is "five billion, two hundred fifty million, nine hundred seventy-two thousand, five hundred fifty-four".