52203078 has 48 divisors (see below), whose sum is σ = 117445536. Its totient is φ = 16744320.

The previous prime is 52203061. The next prime is 52203091. The reversal of 52203078 is 87030225.

It is a super-2 number, since 2×52203078² = 5450322705348168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 68218 + ... + 68978.

It is an arithmetic number, because the mean of its divisors is an integer number (2446782).

Almost surely, 2^52203078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52203078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58722768).

52203078 is an abundant number, since it is smaller than the sum of its proper divisors (65242458).

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

52203078 is a wasteful number, since it uses less digits than its factorization.

52203078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52203078 is about 7225.1697557912. The cubic root of 52203078 is about 373.7363761286.

The spelling of 52203078 in words is "fifty-two million, two hundred three thousand, seventy-eight".