54615457 has 8 divisors (see below), whose sum is σ = 60068736. Its totient is φ = 49341072.

The previous prime is 54615427. The next prime is 54615469. The reversal of 54615457 is 75451645.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54615457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54615427) 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, 44083 + ... + 45304.

It is an arithmetic number, because the mean of its divisors is an integer number (7508592).

Almost surely, 2^54615457 is an apocalyptic number.

It is an amenable number.

54615457 is a deficient number, since it is larger than the sum of its proper divisors (5453279).

54615457 is a wasteful number, since it uses less digits than its factorization.

54615457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89447.

The product of its digits is 84000, while the sum is 37.

The square root of 54615457 is about 7390.2271277681. The cubic root of 54615457 is about 379.4068701598.

The spelling of 54615457 in words is "fifty-four million, six hundred fifteen thousand, four hundred fifty-seven".