55125615 has 8 divisors (see below), whose sum is σ = 88201008. Its totient is φ = 29400320.

The previous prime is 55125601. The next prime is 55125619. The reversal of 55125615 is 51652155.

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

It is not a de Polignac number, because 55125615 - 2⁴ = 55125599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125619) 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, 1837506 + ... + 1837535.

It is an arithmetic number, because the mean of its divisors is an integer number (11025126).

Almost surely, 2^55125615 is an apocalyptic number.

55125615 is a deficient number, since it is larger than the sum of its proper divisors (33075393).

55125615 is a wasteful number, since it uses less digits than its factorization.

55125615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675049.

The product of its digits is 7500, while the sum is 30.

The square root of 55125615 is about 7424.6626185976. The cubic root of 55125615 is about 380.5845458662.

The spelling of 55125615 in words is "fifty-five million, one hundred twenty-five thousand, six hundred fifteen".