55327700 has 18 divisors (see below), whose sum is σ = 120061326. Its totient is φ = 22131040.

The previous prime is 55327697. The next prime is 55327709. The reversal of 55327700 is 772355.

It can be written as a sum of positive squares in 3 ways, for example, as 478864 + 54848836 = 692^2 + 7406^2 .

It is a super-2 number, since 2×55327700² = 6122308774580000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55327709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276539 + ... + 276738.

Almost surely, 2^55327700 is an apocalyptic number.

55327700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55327700 is an abundant number, since it is smaller than the sum of its proper divisors (64733626).

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

55327700 is a wasteful number, since it uses less digits than its factorization.

55327700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553291 (or 553284 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 55327700 is about 7438.2592049484. The cubic root of 55327700 is about 381.0490403782.

The spelling of 55327700 in words is "fifty-five million, three hundred twenty-seven thousand, seven hundred".