55155246155 has 8 divisors (see below), whose sum is σ = 66274430784. Its totient is φ = 44065440000.

The previous prime is 55155246151. The next prime is 55155246241. The reversal of 55155246155 is 55164255155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55155246155 - 2² = 55155246151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55155246151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340486 + ... + 7347995.

It is an arithmetic number, because the mean of its divisors is an integer number (8284303848).

Almost surely, 2^55155246155 is an apocalyptic number.

55155246155 is a deficient number, since it is larger than the sum of its proper divisors (11119184629).

55155246155 is a wasteful number, since it uses less digits than its factorization.

55155246155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14689237.

The product of its digits is 750000, while the sum is 44.

The spelling of 55155246155 in words is "fifty-five billion, one hundred fifty-five million, two hundred forty-six thousand, one hundred fifty-five".