55210490 has 32 divisors (see below), whose sum is σ = 104524560. Its totient is φ = 20966400.

The previous prime is 55210487. The next prime is 55210513. The reversal of 55210490 is 9401255.

It can be written as a sum of positive squares in 8 ways, for example, as 109561 + 55100929 = 331^2 + 7423^2 .

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, 16130 + ... + 19250.

Almost surely, 2^55210490 is an apocalyptic number.

55210490 is a deficient number, since it is larger than the sum of its proper divisors (49314070).

55210490 is a wasteful number, since it uses less digits than its factorization.

55210490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 55210490 is about 7430.3761681358. The cubic root of 55210490 is about 380.7797699881.

The spelling of 55210490 in words is "fifty-five million, two hundred ten thousand, four hundred ninety".