55921202 has 8 divisors (see below), whose sum is σ = 84416556. Its totient is φ = 27782352.

The previous prime is 55921183. The next prime is 55921231. The reversal of 55921202 is 20212955.

It can be written as a sum of positive squares in 2 ways, for example, as 51681721 + 4239481 = 7189^2 + 2059^2 .

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, 88733 + ... + 89360.

Almost surely, 2^55921202 is an apocalyptic number.

55921202 is a deficient number, since it is larger than the sum of its proper divisors (28495354).

55921202 is a wasteful number, since it uses less digits than its factorization.

55921202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178252.

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

The square root of 55921202 is about 7478.0480073345. The cubic root of 55921202 is about 382.4067057130.

The spelling of 55921202 in words is "fifty-five million, nine hundred twenty-one thousand, two hundred two".