53199100 has 54 divisors (see below), whose sum is σ = 120082592. Its totient is φ = 20436000.

The previous prime is 53199077. The next prime is 53199101. The reversal of 53199100 is 199135.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53199101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 406035 + ... + 406165.

Almost surely, 2^53199100 is an apocalyptic number.

53199100 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 53199100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60041296).

53199100 is an abundant number, since it is smaller than the sum of its proper divisors (66883492).

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

53199100 is a wasteful number, since it uses less digits than its factorization.

53199100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 53199100 is about 7293.7713153073. The cubic root of 53199100 is about 376.0983502343.

The spelling of 53199100 in words is "fifty-three million, one hundred ninety-nine thousand, one hundred".