52503948 has 72 divisors (see below), whose sum is σ = 153447840. Its totient is φ = 14826240.

The previous prime is 52503931. The next prime is 52503967. The reversal of 52503948 is 84930525.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21258 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (2131220).

Almost surely, 2^52503948 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 52503948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76723920).

52503948 is an abundant number, since it is smaller than the sum of its proper divisors (100943892).

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

52503948 is a wasteful number, since it uses less digits than its factorization.

52503948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 52503948 is about 7245.9608058559. The cubic root of 52503948 is about 374.4530051791.

The spelling of 52503948 in words is "fifty-two million, five hundred three thousand, nine hundred forty-eight".