253502442021054 has 16 divisors (see below), whose sum is σ = 514145797902720. Its totient is φ = 83310661696920.

The previous prime is 253502442021053. The next prime is 253502442021097. The reversal of 253502442021054 is 450120244205352.

It is a super-2 number, since 2×253502442021054² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253502442021053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297538077064 + ... + 297538077915.

It is an arithmetic number, because the mean of its divisors is an integer number (32134112368920).

Almost surely, 2^{253502442021054} is an apocalyptic number.

253502442021054 is an abundant number, since it is smaller than the sum of its proper divisors (260643355881666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253502442021054 is a wasteful number, since it uses less digits than its factorization.

253502442021054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595076155055.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 253502442021054 in words is "two hundred fifty-three trillion, five hundred two billion, four hundred forty-two million, twenty-one thousand, fifty-four".