55774206 has 24 divisors (see below), whose sum is σ = 121282200. Its totient is φ = 18524016.

The previous prime is 55774193. The next prime is 55774219. The reversal of 55774206 is 60247755.

It is an interprime number because it is at equal distance from previous prime (55774193) and next prime (55774219).

It is a super-2 number, since 2×55774206² = 6221524109860872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (5053425).

Almost surely, 2^55774206 is an apocalyptic number.

55774206 is an abundant number, since it is smaller than the sum of its proper divisors (65507994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55774206 is a wasteful number, since it uses less digits than its factorization.

55774206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240 (or 11237 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 55774206 is about 7468.2130392752. The cubic root of 55774206 is about 382.0713434542.

The spelling of 55774206 in words is "fifty-five million, seven hundred seventy-four thousand, two hundred six".