55126915 has 8 divisors (see below), whose sum is σ = 66467088. Its totient is φ = 43891680.

The previous prime is 55126901. The next prime is 55126933. The reversal of 55126915 is 51962155.

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

It is not a de Polignac number, because 55126915 - 2⁹ = 55126403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25072 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (8308386).

Almost surely, 2^55126915 is an apocalyptic number.

55126915 is a deficient number, since it is larger than the sum of its proper divisors (11340173).

55126915 is a wasteful number, since it uses less digits than its factorization.

55126915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52469.

The product of its digits is 13500, while the sum is 34.

The square root of 55126915 is about 7424.7501641469. The cubic root of 55126915 is about 380.5875375548.

The spelling of 55126915 in words is "fifty-five million, one hundred twenty-six thousand, nine hundred fifteen".