55615119 has 16 divisors (see below), whose sum is σ = 84859392. Its totient is φ = 31737888.

The previous prime is 55615117. The next prime is 55615129. The reversal of 55615119 is 91151655.

It is not a de Polignac number, because 55615119 - 2¹ = 55615117 is a prime.

It is a super-2 number, since 2×55615119² = 6186082922768322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55615119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55615117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21742 + ... + 24164.

It is an arithmetic number, because the mean of its divisors is an integer number (5303712).

Almost surely, 2^55615119 is an apocalyptic number.

55615119 is a deficient number, since it is larger than the sum of its proper divisors (29244273).

55615119 is a wasteful number, since it uses less digits than its factorization.

55615119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526.

The product of its digits is 6750, while the sum is 33.

The square root of 55615119 is about 7457.5544919229. The cubic root of 55615119 is about 381.7077317252.

The spelling of 55615119 in words is "fifty-five million, six hundred fifteen thousand, one hundred nineteen".