52001700 has 72 divisors (see below), whose sum is σ = 152094432. Its totient is φ = 13716480.

The previous prime is 52001681. The next prime is 52001701. The reversal of 52001700 is 710025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52001700.

It is not an unprimeable number, because it can be changed into a prime (52001701) 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, 28207 + ... + 29993.

Almost surely, 2^52001700 is an apocalyptic number.

52001700 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 52001700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76047216).

52001700 is an abundant number, since it is smaller than the sum of its proper divisors (100092732).

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

52001700 is a wasteful number, since it uses less digits than its factorization.

52001700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 52001700 is about 7211.2204237563. The cubic root of 52001700 is about 373.2551831175.

Adding to 52001700 its reverse (710025), we get a palindrome (52711725).

The spelling of 52001700 in words is "fifty-two million, one thousand, seven hundred".