55131333025 has 12 divisors (see below), whose sum is σ = 69228208000. Its totient is φ = 43546772880.

The previous prime is 55131332981. The next prime is 55131333077. The reversal of 55131333025 is 52033313155.

It is not a de Polignac number, because 55131333025 - 2¹⁷ = 55131201953 is a prime.

It is a super-2 number, since 2×55131333025² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13955325 + ... + 13959274.

Almost surely, 2^55131333025 is an apocalyptic number.

It is an amenable number.

55131333025 is a deficient number, since it is larger than the sum of its proper divisors (14096874975).

55131333025 is a wasteful number, since it uses less digits than its factorization.

55131333025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27914688 (or 27914683 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 55131333025 in words is "fifty-five billion, one hundred thirty-one million, three hundred thirty-three thousand, twenty-five".