54999290 has 8 divisors (see below), whose sum is σ = 98998740. Its totient is φ = 21999712.

The previous prime is 54999289. The next prime is 54999293. The reversal of 54999290 is 9299945.

It can be written as a sum of positive squares in 2 ways, for example, as 53042089 + 1957201 = 7283^2 + 1399^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54999293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749955 + ... + 2749974.

Almost surely, 2^54999290 is an apocalyptic number.

54999290 is a deficient number, since it is larger than the sum of its proper divisors (43999450).

54999290 is a wasteful number, since it uses less digits than its factorization.

54999290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499936.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 54999290 is about 7416.1506187509. The cubic root of 54999290 is about 380.2936096471.

The spelling of 54999290 in words is "fifty-four million, nine hundred ninety-nine thousand, two hundred ninety".