51423054557625 has 48 divisors (see below), whose sum is σ = 92699738007552. Its totient is φ = 27425300205600.

The previous prime is 51423054557579. The next prime is 51423054557639. The reversal of 51423054557625 is 52675545032415.

51423054557625 is a `hidden beast` number, since 5 + 1 + 4 + 2 + 3 + 0 + 5 + 4 + 5 + 5 + 7 + 625 = 666.

It is not a de Polignac number, because 51423054557625 - 2¹¹ = 51423054555577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115187592 + ... + 115633158.

It is an arithmetic number, because the mean of its divisors is an integer number (1931244541824).

Almost surely, 2^{51423054557625} is an apocalyptic number.

It is an amenable number.

51423054557625 is a deficient number, since it is larger than the sum of its proper divisors (41276683449927).

51423054557625 is a wasteful number, since it uses less digits than its factorization.

51423054557625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548175 (or 548162 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 54.

The spelling of 51423054557625 in words is "fifty-one trillion, four hundred twenty-three billion, fifty-four million, five hundred fifty-seven thousand, six hundred twenty-five".