253044521554 has 16 divisors (see below), whose sum is σ = 414141750720. Its totient is φ = 115001098960.

The previous prime is 253044521473. The next prime is 253044521573. The reversal of 253044521554 is 455125440352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821254 + ... + 1086529.

It is an arithmetic number, because the mean of its divisors is an integer number (25883859420).

Almost surely, 2^253044521554 is an apocalyptic number.

253044521554 is a deficient number, since it is larger than the sum of its proper divisors (161097229166).

253044521554 is a wasteful number, since it uses less digits than its factorization.

253044521554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913825.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 253044521554 in words is "two hundred fifty-three billion, forty-four million, five hundred twenty-one thousand, five hundred fifty-four".