55151115 has 8 divisors (see below), whose sum is σ = 88241808. Its totient is φ = 29413920.

The previous prime is 55151099. The next prime is 55151123. The reversal of 55151115 is 51115155.

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

It is not a de Polignac number, because 55151115 - 2⁴ = 55151099 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838356 + ... + 1838385.

It is an arithmetic number, because the mean of its divisors is an integer number (11030226).

Almost surely, 2^55151115 is an apocalyptic number.

55151115 is a deficient number, since it is larger than the sum of its proper divisors (33090693).

55151115 is a wasteful number, since it uses less digits than its factorization.

55151115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676749.

The product of its digits is 625, while the sum is 24.

The square root of 55151115 is about 7426.3796697987. The cubic root of 55151115 is about 380.6432204036.

The spelling of 55151115 in words is "fifty-five million, one hundred fifty-one thousand, one hundred fifteen".