51612256024 has 32 divisors (see below), whose sum is σ = 111612362400. Its totient is φ = 21916604160.

The previous prime is 51612255983. The next prime is 51612256027. The reversal of 51612256024 is 42065221615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612256027) 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, 4221637 + ... + 4233844.

It is an arithmetic number, because the mean of its divisors is an integer number (3487886325).

Almost surely, 2^51612256024 is an apocalyptic number.

It is an amenable number.

51612256024 is an abundant number, since it is smaller than the sum of its proper divisors (60000106376).

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

51612256024 is a wasteful number, since it uses less digits than its factorization.

51612256024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455603 (or 8455599 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 51612256024 its reverse (42065221615), we get a palindrome (93677477639).

The spelling of 51612256024 in words is "fifty-one billion, six hundred twelve million, two hundred fifty-six thousand, twenty-four".