253412235554 has 4 divisors (see below), whose sum is σ = 380118353334. Its totient is φ = 126706117776.

The previous prime is 253412235499. The next prime is 253412235589. The reversal of 253412235554 is 455532214352.

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., 247023910225 + 6388325329 = 497015^2 + 79927^2 .

It is a super-2 number, since 2×253412235554² (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, 63353058887 + ... + 63353058890.

Almost surely, 2^253412235554 is an apocalyptic number.

253412235554 is a deficient number, since it is larger than the sum of its proper divisors (126706117780).

253412235554 is a wasteful number, since it uses less digits than its factorization.

253412235554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126706117779.

The product of its digits is 720000, while the sum is 41.

The spelling of 253412235554 in words is "two hundred fifty-three billion, four hundred twelve million, two hundred thirty-five thousand, five hundred fifty-four".