52021254 has 16 divisors (see below), whose sum is σ = 104336640. Its totient is φ = 17291400.

The previous prime is 52021247. The next prime is 52021261. The reversal of 52021254 is 45212025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52021247) and next prime (52021261).

It is a self number, because there is not a number n which added to its sum of digits gives 52021254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9922 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (6521040).

Almost surely, 2^52021254 is an apocalyptic number.

52021254 is an abundant number, since it is smaller than the sum of its proper divisors (52315386).

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

52021254 is a wasteful number, since it uses less digits than its factorization.

52021254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24515.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52021254 is about 7212.5761001185. The cubic root of 52021254 is about 373.3019618268.

Adding to 52021254 its reverse (45212025), we get a palindrome (97233279).

The spelling of 52021254 in words is "fifty-two million, twenty-one thousand, two hundred fifty-four".