55755125506 has 4 divisors (see below), whose sum is σ = 83632688262. Its totient is φ = 27877562752.

The previous prime is 55755125501. The next prime is 55755125507. The reversal of 55755125506 is 60552155755.

55755125506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28593119025 + 27162006481 = 169095^2 + 164809^2 .

It is not an unprimeable number, because it can be changed into a prime (55755125501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13938781375 + ... + 13938781378.

Almost surely, 2^55755125506 is an apocalyptic number.

55755125506 is a deficient number, since it is larger than the sum of its proper divisors (27877562756).

55755125506 is a wasteful number, since it uses less digits than its factorization.

55755125506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877562755.

The product of its (nonzero) digits is 1312500, while the sum is 46.

The spelling of 55755125506 in words is "fifty-five billion, seven hundred fifty-five million, one hundred twenty-five thousand, five hundred six".