54686490 has 32 divisors (see below), whose sum is σ = 133050816. Its totient is φ = 14382720.

The previous prime is 54686483. The next prime is 54686509. The reversal of 54686490 is 9468645.

It is a super-2 number, since 2×54686490² = 5981224377040200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10296 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (4157838).

Almost surely, 2^54686490 is an apocalyptic number.

54686490 is an abundant number, since it is smaller than the sum of its proper divisors (78364326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54686490 is a wasteful number, since it uses less digits than its factorization.

54686490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25054.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 54686490 is about 7395.0314400954. The cubic root of 54686490 is about 379.5712847426.

The spelling of 54686490 in words is "fifty-four million, six hundred eighty-six thousand, four hundred ninety".