55358315 has 4 divisors (see below), whose sum is σ = 66429984. Its totient is φ = 44286648.

The previous prime is 55358297. The next prime is 55358321. The reversal of 55358315 is 51385355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55358315 - 2¹² = 55354219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535827 + ... + 5535836.

It is an arithmetic number, because the mean of its divisors is an integer number (16607496).

Almost surely, 2^55358315 is an apocalyptic number.

55358315 is a deficient number, since it is larger than the sum of its proper divisors (11071669).

55358315 is a wasteful number, since it uses less digits than its factorization.

55358315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071668.

The product of its digits is 45000, while the sum is 35.

The square root of 55358315 is about 7440.3168615322. The cubic root of 55358315 is about 381.1193105763.

The spelling of 55358315 in words is "fifty-five million, three hundred fifty-eight thousand, three hundred fifteen".