51053590625478 has 128 divisors (see below), whose sum is σ = 124533564825600. Its totient is φ = 13620546938880.

The previous prime is 51053590625437. The next prime is 51053590625503. The reversal of 51053590625478 is 87452609535015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90465963 + ... + 91028553.

It is an arithmetic number, because the mean of its divisors is an integer number (972918475200).

It is a 1-persistent number, because it is pandigital, but 2⋅51053590625478 = 102107181250956 is not.

Almost surely, 2^{51053590625478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51053590625478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62266782412800).

51053590625478 is an abundant number, since it is smaller than the sum of its proper divisors (73479974200122).

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

51053590625478 is a wasteful number, since it uses less digits than its factorization.

51053590625478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563622.

The product of its (nonzero) digits is 45360000, while the sum is 60.

The spelling of 51053590625478 in words is "fifty-one trillion, fifty-three billion, five hundred ninety million, six hundred twenty-five thousand, four hundred seventy-eight".