55802100 has 36 divisors (see below), whose sum is σ = 161454944. Its totient is φ = 14880480.

The previous prime is 55802093. The next prime is 55802101. The reversal of 55802100 is 120855.

It is a super-2 number, since 2×55802100² = 6227748728820000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55802101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92704 + ... + 93303.

Almost surely, 2^55802100 is an apocalyptic number.

55802100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55802100 is an abundant number, since it is smaller than the sum of its proper divisors (105652844).

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

55802100 is a wasteful number, since it uses less digits than its factorization.

55802100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186024 (or 186017 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 55802100 is about 7470.0803208533. The cubic root of 55802100 is about 382.1350271449.

Adding to 55802100 its reverse (120855), we get a palindrome (55922955).

The spelling of 55802100 in words is "fifty-five million, eight hundred two thousand, one hundred".