54553315 has 4 divisors (see below), whose sum is σ = 65463984. Its totient is φ = 43642648.

The previous prime is 54553307. The next prime is 54553319. The reversal of 54553315 is 51335545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51335545 = 5 ⋅10267109.

It is a cyclic number.

It is not a de Polignac number, because 54553315 - 2³ = 54553307 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54553319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455327 + ... + 5455336.

It is an arithmetic number, because the mean of its divisors is an integer number (16365996).

Almost surely, 2^54553315 is an apocalyptic number.

54553315 is a deficient number, since it is larger than the sum of its proper divisors (10910669).

54553315 is a wasteful number, since it uses less digits than its factorization.

54553315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910668.

The product of its digits is 22500, while the sum is 31.

The square root of 54553315 is about 7386.0215948777. The cubic root of 54553315 is about 379.2629179360.

The spelling of 54553315 in words is "fifty-four million, five hundred fifty-three thousand, three hundred fifteen".