253772568530 has 32 divisors (see below), whose sum is σ = 492747031728. Its totient is φ = 93544704000.

The previous prime is 253772568529. The next prime is 253772568547. The reversal of 253772568530 is 35865277352.

It can be written as a sum of positive squares in 8 ways, for example, as 122764042129 + 131008526401 = 350377^2 + 361951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545911 + ... + 1702170.

Almost surely, 2^253772568530 is an apocalyptic number.

253772568530 is a deficient number, since it is larger than the sum of its proper divisors (238974463198).

253772568530 is a wasteful number, since it uses less digits than its factorization.

253772568530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248702.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 253772568530 in words is "two hundred fifty-three billion, seven hundred seventy-two million, five hundred sixty-eight thousand, five hundred thirty".