55125319 has 8 divisors (see below), whose sum is σ = 57668832. Its totient is φ = 52594080.

The previous prime is 55125311. The next prime is 55125337. The reversal of 55125319 is 91352155.

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

It is a cyclic number.

It is not a de Polignac number, because 55125319 - 2³ = 55125311 is a prime.

It is a super-2 number, since 2×55125319² = 6077601589703522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125311) 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, 6837 + ... + 12529.

It is an arithmetic number, because the mean of its divisors is an integer number (7208604).

Almost surely, 2^55125319 is an apocalyptic number.

55125319 is a deficient number, since it is larger than the sum of its proper divisors (2543513).

55125319 is a wasteful number, since it uses less digits than its factorization.

55125319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137.

The product of its digits is 6750, while the sum is 31.

The square root of 55125319 is about 7424.6426850051. The cubic root of 55125319 is about 380.5838646752.

The spelling of 55125319 in words is "fifty-five million, one hundred twenty-five thousand, three hundred nineteen".