55553315 has 4 divisors (see below), whose sum is σ = 66663984. Its totient is φ = 44442648.

The previous prime is 55553269. The next prime is 55553327. The reversal of 55553315 is 51335555.

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 55553315 - 2¹⁴ = 55536931 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, 5555327 + ... + 5555336.

It is an arithmetic number, because the mean of its divisors is an integer number (16665996).

Almost surely, 2^55553315 is an apocalyptic number.

55553315 is a deficient number, since it is larger than the sum of its proper divisors (11110669).

55553315 is a wasteful number, since it uses less digits than its factorization.

55553315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110668.

The product of its digits is 28125, while the sum is 32.

The square root of 55553315 is about 7453.4096224480. The cubic root of 55553315 is about 381.5662845238.

The spelling of 55553315 in words is "fifty-five million, five hundred fifty-three thousand, three hundred fifteen".