55174447155 has 32 divisors (see below), whose sum is σ = 94397514048. Its totient is φ = 27421184000.

The previous prime is 55174447109. The next prime is 55174447169.

55174447155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55174447155 - 2¹⁷ = 55174316083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045386 + ... + 1096895.

It is an arithmetic number, because the mean of its divisors is an integer number (2949922314).

Almost surely, 2^55174447155 is an apocalyptic number.

55174447155 is a deficient number, since it is larger than the sum of its proper divisors (39223066893).

55174447155 is a wasteful number, since it uses less digits than its factorization.

55174447155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142407.

The product of its digits is 1960000, while the sum is 48.

The spelling of 55174447155 in words is "fifty-five billion, one hundred seventy-four million, four hundred forty-seven thousand, one hundred fifty-five".