51023535224 has 8 divisors (see below), whose sum is σ = 95669128560. Its totient is φ = 25511767608.

The previous prime is 51023535209. The next prime is 51023535253. The reversal of 51023535224 is 42253532015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51023535224² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188970944 + ... + 3188970959.

It is an arithmetic number, because the mean of its divisors is an integer number (11958641070).

Almost surely, 2^51023535224 is an apocalyptic number.

It is an amenable number.

51023535224 is a deficient number, since it is larger than the sum of its proper divisors (44645593336).

51023535224 is a wasteful number, since it uses less digits than its factorization.

51023535224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377941909 (or 6377941905 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 51023535224 in words is "fifty-one billion, twenty-three million, five hundred thirty-five thousand, two hundred twenty-four".