54839290 has 32 divisors (see below), whose sum is σ = 111404160. Its totient is φ = 19252800.

The previous prime is 54839287. The next prime is 54839303. The reversal of 54839290 is 9293845.

It is a happy number.

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, 5406 + ... + 11785.

It is an arithmetic number, because the mean of its divisors is an integer number (3481380).

Almost surely, 2^54839290 is an apocalyptic number.

54839290 is an abundant number, since it is smaller than the sum of its proper divisors (56564870).

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

54839290 is a wasteful number, since it uses less digits than its factorization.

54839290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17238.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 54839290 is about 7405.3554945053. The cubic root of 54839290 is about 379.9244771427.

The spelling of 54839290 in words is "fifty-four million, eight hundred thirty-nine thousand, two hundred ninety".