55053700 has 36 divisors (see below), whose sum is σ = 128659300. Its totient is φ = 20327040.

The previous prime is 55053683. The next prime is 55053751. The reversal of 55053700 is 735055.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 56644 + 54997056 = 238^2 + 7416^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 19875 + ... + 22474.

Almost surely, 2^55053700 is an apocalyptic number.

55053700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55053700 is an abundant number, since it is smaller than the sum of its proper divisors (73605600).

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

55053700 is a wasteful number, since it uses less digits than its factorization.

55053700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42376 (or 42369 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 55053700 is about 7419.8180570685. The cubic root of 55053700 is about 380.4189746333.

Adding to 55053700 its reverse (735055), we get a palindrome (55788755).

The spelling of 55053700 in words is "fifty-five million, fifty-three thousand, seven hundred".