53626138225 has 36 divisors (see below), whose sum is σ = 73184569360. Its totient is φ = 38950956000.

The previous prime is 53626138211. The next prime is 53626138229. The reversal of 53626138225 is 52283162635.

It is a de Polignac number, because none of the positive numbers 2^k-53626138225 is a prime.

It is a super-4 number, since 4×53626138225⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (53626138229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2442346 + ... + 2464204.

Almost surely, 2^53626138225 is an apocalyptic number.

53626138225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53626138225 is a deficient number, since it is larger than the sum of its proper divisors (19558431135).

53626138225 is a wasteful number, since it uses less digits than its factorization.

53626138225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22702 (or 22686 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 53626138225 in words is "fifty-three billion, six hundred twenty-six million, one hundred thirty-eight thousand, two hundred twenty-five".