55460290 has 64 divisors (see below), whose sum is σ = 110769120. Its totient is φ = 19906560.

The previous prime is 55460269. The next prime is 55460303. The reversal of 55460290 is 9206455.

It can be written as a sum of positive squares in 16 ways, for example, as 5574321 + 49885969 = 2361^2 + 7063^2 .

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 31 ways as a sum of consecutive naturals, for example, 508756 + ... + 508864.

Almost surely, 2^55460290 is an apocalyptic number.

55460290 is a deficient number, since it is larger than the sum of its proper divisors (55308830).

55460290 is a wasteful number, since it uses less digits than its factorization.

55460290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 55460290 is about 7447.1665752822. The cubic root of 55460290 is about 381.3531857224.

The spelling of 55460290 in words is "fifty-five million, four hundred sixty thousand, two hundred ninety".