54649490 has 16 divisors (see below), whose sum is σ = 112421952. Its totient is φ = 18736944.

The previous prime is 54649459. The next prime is 54649513. The reversal of 54649490 is 9494645.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390284 + ... + 390423.

It is an arithmetic number, because the mean of its divisors is an integer number (7026372).

Almost surely, 2^54649490 is an apocalyptic number.

54649490 is an abundant number, since it is smaller than the sum of its proper divisors (57772462).

54649490 is a wasteful number, since it uses less digits than its factorization.

54649490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780721.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 54649490 is about 7392.5293371078. The cubic root of 54649490 is about 379.4856614861.

The spelling of 54649490 in words is "fifty-four million, six hundred forty-nine thousand, four hundred ninety".