54823657 has 16 divisors (see below), whose sum is σ = 67260672. Its totient is φ = 43614720.

The previous prime is 54823627. The next prime is 54823661. The reversal of 54823657 is 75632845.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54823657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54823627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5532 + ... + 11842.

It is an arithmetic number, because the mean of its divisors is an integer number (4203792).

Almost surely, 2^54823657 is an apocalyptic number.

It is an amenable number.

54823657 is a deficient number, since it is larger than the sum of its proper divisors (12437015).

54823657 is a wasteful number, since it uses less digits than its factorization.

54823657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its digits is 201600, while the sum is 40.

The square root of 54823657 is about 7404.2998993828. The cubic root of 54823657 is about 379.8883721055. Note that the first 3 decimals are identical.

The spelling of 54823657 in words is "fifty-four million, eight hundred twenty-three thousand, six hundred fifty-seven".