55386700 has 18 divisors (see below), whose sum is σ = 120189356. Its totient is φ = 22154640.

The previous prime is 55386679. The next prime is 55386701. The reversal of 55386700 is 768355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55386701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276834 + ... + 277033.

Almost surely, 2^55386700 is an apocalyptic number.

55386700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55386700 is an abundant number, since it is smaller than the sum of its proper divisors (64802656).

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

55386700 is a wasteful number, since it uses less digits than its factorization.

55386700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553881 (or 553874 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55386700 is about 7442.2241299225. The cubic root of 55386700 is about 381.1844391432.

The spelling of 55386700 in words is "fifty-five million, three hundred eighty-six thousand, seven hundred".