54732290 has 8 divisors (see below), whose sum is σ = 98518140. Its totient is φ = 21892912.

The previous prime is 54732289. The next prime is 54732317. The reversal of 54732290 is 9223745.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54125449 + 606841 = 7357^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736605 + ... + 2736624.

Almost surely, 2^54732290 is an apocalyptic number.

54732290 is a deficient number, since it is larger than the sum of its proper divisors (43785850).

54732290 is a wasteful number, since it uses less digits than its factorization.

54732290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473236.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 54732290 is about 7398.1274657848. The cubic root of 54732290 is about 379.6772189746.

The spelling of 54732290 in words is "fifty-four million, seven hundred thirty-two thousand, two hundred ninety".