52152444 has 48 divisors (see below), whose sum is σ = 135600640. Its totient is φ = 17334000.

The previous prime is 52152439. The next prime is 52152449. The reversal of 52152444 is 44425125.

52152444 is a `hidden beast` number, since 5 + 215 + 2 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (52152439) and next prime (52152449).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69069 + ... + 69819.

Almost surely, 2^52152444 is an apocalyptic number.

52152444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52152444 is an abundant number, since it is smaller than the sum of its proper divisors (83448196).

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

52152444 is a wasteful number, since it uses less digits than its factorization.

52152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1399 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 52152444 is about 7221.6649049925. The cubic root of 52152444 is about 373.6155027368.

Adding to 52152444 its reverse (44425125), we get a palindrome (96577569).

The spelling of 52152444 in words is "fifty-two million, one hundred fifty-two thousand, four hundred forty-four".