52263421 has 8 divisors (see below), whose sum is σ = 60200960. Its totient is φ = 44443728.

The previous prime is 52263413. The next prime is 52263443. The reversal of 52263421 is 12436225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52263421 - 2³ = 52263413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52263451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28506 + ... + 30283.

It is an arithmetic number, because the mean of its divisors is an integer number (7525120).

Almost surely, 2^52263421 is an apocalyptic number.

It is an amenable number.

52263421 is a deficient number, since it is larger than the sum of its proper divisors (7937539).

52263421 is a wasteful number, since it uses less digits than its factorization.

52263421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58923.

The product of its digits is 2880, while the sum is 25.

The square root of 52263421 is about 7229.3444377758. The cubic root of 52263421 is about 373.8803247930.

Adding to 52263421 its reverse (12436225), we get a palindrome (64699646).

The spelling of 52263421 in words is "fifty-two million, two hundred sixty-three thousand, four hundred twenty-one".