52279100 has 54 divisors (see below), whose sum is σ = 116653992. Its totient is φ = 20336000.

The previous prime is 52279081. The next prime is 52279109. The reversal of 52279100 is 197225.

It is a self number, because there is not a number n which added to its sum of digits gives 52279100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52279109) 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, 167945 + ... + 168255.

Almost surely, 2^52279100 is an apocalyptic number.

52279100 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 52279100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58326996).

52279100 is an abundant number, since it is smaller than the sum of its proper divisors (64374892).

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

52279100 is a wasteful number, since it uses less digits than its factorization.

52279100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 52279100 is about 7230.4287563048. The cubic root of 52279100 is about 373.9177090246.

The spelling of 52279100 in words is "fifty-two million, two hundred seventy-nine thousand, one hundred".