54563515 has 8 divisors (see below), whose sum is σ = 65622240. Its totient is φ = 43553472.

The previous prime is 54563513. The next prime is 54563549. The reversal of 54563515 is 51536545.

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 54563515 - 2¹ = 54563513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54563513) 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, 9655 + ... + 14224.

It is an arithmetic number, because the mean of its divisors is an integer number (8202780).

Almost surely, 2^54563515 is an apocalyptic number.

54563515 is a deficient number, since it is larger than the sum of its proper divisors (11058725).

54563515 is a wasteful number, since it uses less digits than its factorization.

54563515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24341.

The product of its digits is 45000, while the sum is 34.

The square root of 54563515 is about 7386.7120561181. The cubic root of 54563515 is about 379.2865537785.

The spelling of 54563515 in words is "fifty-four million, five hundred sixty-three thousand, five hundred fifteen".