54392487 has 16 divisors (see below), whose sum is σ = 75738240. Its totient is φ = 34678112.

The previous prime is 54392483. The next prime is 54392509. The reversal of 54392487 is 78429345.

It is a cyclic number.

It is not a de Polignac number, because 54392487 - 2² = 54392483 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54392483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (4733640).

Almost surely, 2^54392487 is an apocalyptic number.

54392487 is a deficient number, since it is larger than the sum of its proper divisors (21345753).

54392487 is a wasteful number, since it uses less digits than its factorization.

54392487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982.

The product of its digits is 241920, while the sum is 42.

The square root of 54392487 is about 7375.1262362078. The cubic root of 54392487 is about 378.8898508697.

The spelling of 54392487 in words is "fifty-four million, three hundred ninety-two thousand, four hundred eighty-seven".