51514281004 has 48 divisors (see below), whose sum is σ = 97229196288. Its totient is φ = 23822382848.

The previous prime is 51514281001. The next prime is 51514281017. The reversal of 51514281004 is 40018241515.

It is a super-2 number, since 2×51514281004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51514281001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287124 + ... + 430660.

It is an arithmetic number, because the mean of its divisors is an integer number (2025608256).

Almost surely, 2^51514281004 is an apocalyptic number.

It is an amenable number.

51514281004 is a deficient number, since it is larger than the sum of its proper divisors (45714915284).

51514281004 is a wasteful number, since it uses less digits than its factorization.

51514281004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143694 (or 143692 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 51514281004 in words is "fifty-one billion, five hundred fourteen million, two hundred eighty-one thousand, four".