55771300 has 36 divisors (see below), whose sum is σ = 130336276. Its totient is φ = 20592000.

The previous prime is 55771273. The next prime is 55771337. The reversal of 55771300 is 317755.

It can be written as a sum of positive squares in 6 ways, for example, as 1954404 + 53816896 = 1398^2 + 7336^2 .

It is a super-2 number, since 2×55771300² = 6220875807380000, which contains 22 as substring.

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, 20151 + ... + 22750.

Almost surely, 2^55771300 is an apocalyptic number.

55771300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55771300 is an abundant number, since it is smaller than the sum of its proper divisors (74564976).

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

55771300 is a wasteful number, since it uses less digits than its factorization.

55771300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42928 (or 42921 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55771300 is about 7468.0184788202. The cubic root of 55771300 is about 382.0647076591.

The spelling of 55771300 in words is "fifty-five million, seven hundred seventy-one thousand, three hundred".