55231415 has 8 divisors (see below), whose sum is σ = 66407568. Its totient is φ = 44098560.

The previous prime is 55231373. The next prime is 55231433. The reversal of 55231415 is 51413255.

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

It is not a de Polignac number, because 55231415 - 2²⁰ = 54182839 is a prime.

It is a Duffinian number.

It is a congruent 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, 7946 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (8300946).

Almost surely, 2^55231415 is an apocalyptic number.

55231415 is a deficient number, since it is larger than the sum of its proper divisors (11176153).

55231415 is a wasteful number, since it uses less digits than its factorization.

55231415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21649.

The product of its digits is 3000, while the sum is 26.

The square root of 55231415 is about 7431.7841061215. The cubic root of 55231415 is about 380.8278696052.

The spelling of 55231415 in words is "fifty-five million, two hundred thirty-one thousand, four hundred fifteen".