51033553144 has 16 divisors (see below), whose sum is σ = 109357614000. Its totient is φ = 21871522752.

The previous prime is 51033553111. The next prime is 51033553199. The reversal of 51033553144 is 44135533015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455656669 + ... + 455656780.

It is an arithmetic number, because the mean of its divisors is an integer number (6834850875).

Almost surely, 2^51033553144 is an apocalyptic number.

It is an amenable number.

51033553144 is an abundant number, since it is smaller than the sum of its proper divisors (58324060856).

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

51033553144 is a wasteful number, since it uses less digits than its factorization.

51033553144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911313462 (or 911313458 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 51033553144 in words is "fifty-one billion, thirty-three million, five hundred fifty-three thousand, one hundred forty-four".