54257947 has 8 divisors (see below), whose sum is σ = 56012000. Its totient is φ = 52519104.

The previous prime is 54257941. The next prime is 54257953. The reversal of 54257947 is 74975245.

It is an interprime number because it is at equal distance from previous prime (54257941) and next prime (54257953).

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 54257947 - 2¹⁵ = 54225179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54257941) 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, 3679 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (7001500).

Almost surely, 2^54257947 is an apocalyptic number.

54257947 is a deficient number, since it is larger than the sum of its proper divisors (1754053).

54257947 is a wasteful number, since it uses less digits than its factorization.

54257947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605.

The product of its digits is 352800, while the sum is 43.

The square root of 54257947 is about 7365.9993890850. Note that the first 3 decimals coincide. The cubic root of 54257947 is about 378.5771978371.

The spelling of 54257947 in words is "fifty-four million, two hundred fifty-seven thousand, nine hundred forty-seven".