252311450554 has 4 divisors (see below), whose sum is σ = 378467175834. Its totient is φ = 126155725276.

The previous prime is 252311450539. The next prime is 252311450617. The reversal of 252311450554 is 455054113252.

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., 175431134025 + 76880316529 = 418845^2 + 277273^2 .

It is a super-2 number, since 2×252311450554² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63077862637 + ... + 63077862640.

Almost surely, 2^252311450554 is an apocalyptic number.

252311450554 is a deficient number, since it is larger than the sum of its proper divisors (126155725280).

252311450554 is a wasteful number, since it uses less digits than its factorization.

252311450554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126155725279.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 252311450554 in words is "two hundred fifty-two billion, three hundred eleven million, four hundred fifty thousand, five hundred fifty-four".