55125052155 has 12 divisors (see below), whose sum is σ = 95550090480. Its totient is φ = 29400027792.

The previous prime is 55125052153. The next prime is 55125052207.

55125052155 is a `hidden beast` number, since 5 + 5 + 125 + 0 + 521 + 5 + 5 = 666.

55125052155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55125052155 - 2¹ = 55125052153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55125052153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612500535 + ... + 612500624.

It is an arithmetic number, because the mean of its divisors is an integer number (7962507540).

Almost surely, 2^55125052155 is an apocalyptic number.

55125052155 is a deficient number, since it is larger than the sum of its proper divisors (40425038325).

55125052155 is a wasteful number, since it uses less digits than its factorization.

55125052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225001170 (or 1225001167 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The spelling of 55125052155 in words is "fifty-five billion, one hundred twenty-five million, fifty-two thousand, one hundred fifty-five".