56420144504625 has 64 divisors (see below), whose sum is σ = 103431989456640. Its totient is φ = 27084377600000.

The previous prime is 56420144504593. The next prime is 56420144504653. The reversal of 56420144504625 is 52640544102465.

It is not a de Polignac number, because 56420144504625 - 2⁵ = 56420144504593 is a prime.

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, 67294320 + ... + 68127569.

It is an arithmetic number, because the mean of its divisors is an integer number (1616124835260).

Almost surely, 2^{56420144504625} is an apocalyptic number.

56420144504625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56420144504625 is a deficient number, since it is larger than the sum of its proper divisors (47011844952015).

56420144504625 is a wasteful number, since it uses less digits than its factorization.

56420144504625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135422019 (or 135422009 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 56420144504625 in words is "fifty-six trillion, four hundred twenty billion, one hundred forty-four million, five hundred four thousand, six hundred twenty-five".