52691800 has 96 divisors (see below), whose sum is σ = 142535520. Its totient is φ = 17740800.

The previous prime is 52691791. The next prime is 52691809. The reversal of 52691800 is 819625.

It is an interprime number because it is at equal distance from previous prime (52691791) and next prime (52691809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52691809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85092 + ... + 85708.

It is an arithmetic number, because the mean of its divisors is an integer number (1484745).

Almost surely, 2^52691800 is an apocalyptic number.

52691800 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 52691800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71267760).

52691800 is an abundant number, since it is smaller than the sum of its proper divisors (89843720).

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

52691800 is a wasteful number, since it uses less digits than its factorization.

52691800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 52691800 is about 7258.9117641696. The cubic root of 52691800 is about 374.8990543105.

The spelling of 52691800 in words is "fifty-two million, six hundred ninety-one thousand, eight hundred".