52722700 has 36 divisors (see below), whose sum is σ = 115261720. Its totient is φ = 20931840.

The previous prime is 52722697. The next prime is 52722731. The reversal of 52722700 is 722725.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12004 + ... + 15796.

Almost surely, 2^52722700 is an apocalyptic number.

52722700 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 52722700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57630860).

52722700 is an abundant number, since it is smaller than the sum of its proper divisors (62539020).

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

52722700 is a wasteful number, since it uses less digits than its factorization.

52722700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 52722700 is about 7261.0398704318. The cubic root of 52722700 is about 374.9723238834.

Adding to 52722700 its sum of digits (25), we get a palindrome (52722725).

The spelling of 52722700 in words is "fifty-two million, seven hundred twenty-two thousand, seven hundred".