52420574 has 8 divisors (see below), whose sum is σ = 81342360. Its totient is φ = 25306456.

The previous prime is 52420561. The next prime is 52420579. The reversal of 52420574 is 47502425.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451844 + ... + 451959.

It is an arithmetic number, because the mean of its divisors is an integer number (10167795).

Almost surely, 2^52420574 is an apocalyptic number.

52420574 is a deficient number, since it is larger than the sum of its proper divisors (28921786).

52420574 is a wasteful number, since it uses less digits than its factorization.

52420574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903834.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 52420574 is about 7240.2053838272. The cubic root of 52420574 is about 374.2546951104.

Adding to 52420574 its reverse (47502425), we get a palindrome (99922999).

The spelling of 52420574 in words is "fifty-two million, four hundred twenty thousand, five hundred seventy-four".