52501020 has 192 divisors, whose sum is σ = 179504640. Its totient is φ = 11289600.

The previous prime is 52500997. The next prime is 52501027. The reversal of 52501020 is 2010525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52501027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 248715 + ... + 248925.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 2^52501020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52501020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89752320).

52501020 is an abundant number, since it is smaller than the sum of its proper divisors (127003620).

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

52501020 is a wasteful number, since it uses less digits than its factorization.

52501020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 52501020 is about 7245.7587594399. The cubic root of 52501020 is about 374.4460443134.

Adding to 52501020 its reverse (2010525), we get a palindrome (54511545).

The spelling of 52501020 in words is "fifty-two million, five hundred one thousand, twenty".