55550025537 has 16 divisors (see below), whose sum is σ = 80247372480. Its totient is φ = 34044337152.

The previous prime is 55550025533. The next prime is 55550025581. The reversal of 55550025537 is 73552005555.

55550025537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55550025537 - 2² = 55550025533 is a prime.

It is a super-2 number, since 2×55550025537² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55550025533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663112 + ... + 12667497.

It is an arithmetic number, because the mean of its divisors is an integer number (5015460780).

Almost surely, 2^55550025537 is an apocalyptic number.

It is an amenable number.

55550025537 is a deficient number, since it is larger than the sum of its proper divisors (24697346943).

55550025537 is a wasteful number, since it uses less digits than its factorization.

55550025537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25330672.

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 55550025537 in words is "fifty-five billion, five hundred fifty million, twenty-five thousand, five hundred thirty-seven".