54951585 has 16 divisors (see below), whose sum is σ = 94686144. Its totient is φ = 27052992.

The previous prime is 54951581. The next prime is 54951643. The reversal of 54951585 is 58515945.

It is a happy number.

It is not a de Polignac number, because 54951585 - 2² = 54951581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54951581) 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, 140707 + ... + 141096.

It is an arithmetic number, because the mean of its divisors is an integer number (5917884).

Almost surely, 2^54951585 is an apocalyptic number.

It is an amenable number.

54951585 is a deficient number, since it is larger than the sum of its proper divisors (39734559).

54951585 is a wasteful number, since it uses less digits than its factorization.

54951585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281824.

The product of its digits is 180000, while the sum is 42.

The square root of 54951585 is about 7412.9336298122. The cubic root of 54951585 is about 380.1836254731.

The spelling of 54951585 in words is "fifty-four million, nine hundred fifty-one thousand, five hundred eighty-five".