55142115 has 16 divisors (see below), whose sum is σ = 100831488. Its totient is φ = 25207776.

The previous prime is 55142093. The next prime is 55142141. The reversal of 55142115 is 51124155.

55142115 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 55142115 - 2⁶ = 55142051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262477 + ... + 262686.

It is an arithmetic number, because the mean of its divisors is an integer number (6301968).

Almost surely, 2^55142115 is an apocalyptic number.

55142115 is a deficient number, since it is larger than the sum of its proper divisors (45689373).

55142115 is a wasteful number, since it uses less digits than its factorization.

55142115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525178.

The product of its digits is 1000, while the sum is 24.

The square root of 55142115 is about 7425.7736970635. The cubic root of 55142115 is about 380.6225138089.

The spelling of 55142115 in words is "fifty-five million, one hundred forty-two thousand, one hundred fifteen".