54778202 has 12 divisors (see below), whose sum is σ = 82834206. Its totient is φ = 27167760.

The previous prime is 54778193. The next prime is 54778223. The reversal of 54778202 is 20287745.

It can be written as a sum of positive squares in 3 ways, for example, as 15452761 + 39325441 = 3931^2 + 6271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140624 + ... + 141012.

Almost surely, 2^54778202 is an apocalyptic number.

54778202 is a deficient number, since it is larger than the sum of its proper divisors (28056004).

54778202 is an equidigital number, since it uses as much as digits as its factorization.

54778202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 54778202 is about 7401.2297626813. The cubic root of 54778202 is about 379.7833529621.

The spelling of 54778202 in words is "fifty-four million, seven hundred seventy-eight thousand, two hundred two".