52553900 has 72 divisors (see below), whose sum is σ = 131345760. Its totient is φ = 17879040.

The previous prime is 52553861. The next prime is 52553903. The reversal of 52553900 is 935525.

It is not an unprimeable number, because it can be changed into a prime (52553903) 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, 134906 + ... + 135294.

Almost surely, 2^52553900 is an apocalyptic number.

52553900 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 52553900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65672880).

52553900 is an abundant number, since it is smaller than the sum of its proper divisors (78791860).

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

52553900 is a wasteful number, since it uses less digits than its factorization.

52553900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 52553900 is about 7249.4068722896. The cubic root of 52553900 is about 374.5717184601.

The spelling of 52553900 in words is "fifty-two million, five hundred fifty-three thousand, nine hundred".