54395487 has 6 divisors (see below), whose sum is σ = 78571272. Its totient is φ = 36263652.

The previous prime is 54395477. The next prime is 54395531. The reversal of 54395487 is 78459345.

It is not a de Polignac number, because 54395487 - 2¹¹ = 54393439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54395447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3021963 + ... + 3021980.

It is an arithmetic number, because the mean of its divisors is an integer number (13095212).

Almost surely, 2^54395487 is an apocalyptic number.

54395487 is a deficient number, since it is larger than the sum of its proper divisors (24175785).

54395487 is a wasteful number, since it uses less digits than its factorization.

54395487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043949 (or 6043946 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 54395487 is about 7375.3296197526. The cubic root of 54395487 is about 378.8968165906.

The spelling of 54395487 in words is "fifty-four million, three hundred ninety-five thousand, four hundred eighty-seven".