54473815 has 16 divisors (see below), whose sum is σ = 72524160. Its totient is φ = 38943520.

The previous prime is 54473801. The next prime is 54473843. The reversal of 54473815 is 51837445.

It is not a de Polignac number, because 54473815 - 2¹³ = 54465623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5149 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (4532760).

Almost surely, 2^54473815 is an apocalyptic number.

54473815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54473815 is a deficient number, since it is larger than the sum of its proper divisors (18050345).

54473815 is a wasteful number, since it uses less digits than its factorization.

54473815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16862.

The product of its digits is 67200, while the sum is 37.

The square root of 54473815 is about 7380.6378450646. The cubic root of 54473815 is about 379.0785963521.

The spelling of 54473815 in words is "fifty-four million, four hundred seventy-three thousand, eight hundred fifteen".