54357987 has 8 divisors (see below), whose sum is σ = 72520704. Its totient is φ = 36216968.

The previous prime is 54357983. The next prime is 54357997. The reversal of 54357987 is 78975345.

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 54357987 - 2² = 54357983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54357983) 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, 1798 + ... + 10580.

It is an arithmetic number, because the mean of its divisors is an integer number (9065088).

Almost surely, 2^54357987 is an apocalyptic number.

54357987 is a deficient number, since it is larger than the sum of its proper divisors (18162717).

54357987 is a wasteful number, since it uses less digits than its factorization.

54357987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its digits is 1058400, while the sum is 48.

The square root of 54357987 is about 7372.7869221889. The cubic root of 54357987 is about 378.8097266635.

The spelling of 54357987 in words is "fifty-four million, three hundred fifty-seven thousand, nine hundred eighty-seven".