52391100 has 36 divisors (see below), whose sum is σ = 151585784. Its totient is φ = 13970880.

The previous prime is 52391099. The next prime is 52391107. The reversal of 52391100 is 119325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52391107) 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, 87019 + ... + 87618.

Almost surely, 2^52391100 is an apocalyptic number.

52391100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52391100 is an abundant number, since it is smaller than the sum of its proper divisors (99194684).

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

52391100 is a wasteful number, since it uses less digits than its factorization.

52391100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174654 (or 174647 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 52391100 is about 7238.1696581387. The cubic root of 52391100 is about 374.1845391260.

The spelling of 52391100 in words is "fifty-two million, three hundred ninety-one thousand, one hundred".