55151050155 has 32 divisors (see below), whose sum is σ = 88911406080. Its totient is φ = 29190819840.

The previous prime is 55151050139. The next prime is 55151050159. The reversal of 55151050155 is 55105015155.

It is not a de Polignac number, because 55151050155 - 2⁴ = 55151050139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55151050159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9339934 + ... + 9345836.

It is an arithmetic number, because the mean of its divisors is an integer number (2778481440).

Almost surely, 2^55151050155 is an apocalyptic number.

55151050155 is a deficient number, since it is larger than the sum of its proper divisors (33760355925).

55151050155 is a wasteful number, since it uses less digits than its factorization.

55151050155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 55151050155 in words is "fifty-five billion, one hundred fifty-one million, fifty thousand, one hundred fifty-five".