53552100 has 108 divisors (see below), whose sum is σ = 180290544. Its totient is φ = 12237120.

The previous prime is 53552087. The next prime is 53552111. The reversal of 53552100 is 125535.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12879 + ... + 16521.

Almost surely, 2^53552100 is an apocalyptic number.

53552100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53552100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90145272).

53552100 is an abundant number, since it is smaller than the sum of its proper divisors (126738444).

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

53552100 is a wasteful number, since it uses less digits than its factorization.

53552100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 53552100 is about 7317.9300351944. The cubic root of 53552100 is about 376.9283777381.

Adding to 53552100 its reverse (125535), we get a palindrome (53677635).

The spelling of 53552100 in words is "fifty-three million, five hundred fifty-two thousand, one hundred".