52219494 has 24 divisors (see below), whose sum is σ = 113636952. Its totient is φ = 17330400.

The previous prime is 52219493. The next prime is 52219507. The reversal of 52219494 is 49491225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52219493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2032 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (4734873).

Almost surely, 2^52219494 is an apocalyptic number.

52219494 is an abundant number, since it is smaller than the sum of its proper divisors (61417458).

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

52219494 is a wasteful number, since it uses less digits than its factorization.

52219494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692 (or 12689 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52219494 is about 7226.3056951668. The cubic root of 52219494 is about 373.7755475950.

The spelling of 52219494 in words is "fifty-two million, two hundred nineteen thousand, four hundred ninety-four".