53626404425 has 18 divisors (see below), whose sum is σ = 73091463774. Its totient is φ = 39001019200.

The previous prime is 53626404383. The next prime is 53626404473. The reversal of 53626404425 is 52440462635.

It can be written as a sum of positive squares in 3 ways, for example, as 2835669001 + 50790735424 = 53251^2 + 225368^2 .

It is not a de Polignac number, because 53626404425 - 2⁶ = 53626404361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8860844 + ... + 8866893.

Almost surely, 2^53626404425 is an apocalyptic number.

53626404425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53626404425 is a deficient number, since it is larger than the sum of its proper divisors (19465059349).

53626404425 is a wasteful number, since it uses less digits than its factorization.

53626404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17727769 (or 17727753 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 53626404425 in words is "fifty-three billion, six hundred twenty-six million, four hundred four thousand, four hundred twenty-five".