54257487 has 8 divisors (see below), whose sum is σ = 73529520. Its totient is φ = 35578560.

The previous prime is 54257479. The next prime is 54257501. The reversal of 54257487 is 78475245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54257487 - 2³ = 54257479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54257087) 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, 148062 + ... + 148427.

It is an arithmetic number, because the mean of its divisors is an integer number (9191190).

Almost surely, 2^54257487 is an apocalyptic number.

54257487 is a deficient number, since it is larger than the sum of its proper divisors (19272033).

54257487 is a wasteful number, since it uses less digits than its factorization.

54257487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296553.

The product of its digits is 313600, while the sum is 42.

The square root of 54257487 is about 7365.9681644710. The cubic root of 54257487 is about 378.5761279723.

The spelling of 54257487 in words is "fifty-four million, two hundred fifty-seven thousand, four hundred eighty-seven".