54857085 has 32 divisors (see below), whose sum is σ = 93726720. Its totient is φ = 27316800.

The previous prime is 54857083. The next prime is 54857087. The reversal of 54857085 is 58075845.

It is an interprime number because it is at equal distance from previous prime (54857083) and next prime (54857087).

It is not a de Polignac number, because 54857085 - 2¹ = 54857083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54857083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18880 + ... + 21590.

It is an arithmetic number, because the mean of its divisors is an integer number (2928960).

Almost surely, 2^54857085 is an apocalyptic number.

It is an amenable number.

54857085 is a deficient number, since it is larger than the sum of its proper divisors (38869635).

54857085 is a wasteful number, since it uses less digits than its factorization.

54857085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 54857085 is about 7406.5568923758. The cubic root of 54857085 is about 379.9655670555.

The spelling of 54857085 in words is "fifty-four million, eight hundred fifty-seven thousand, eighty-five".