52787241 has 32 divisors (see below), whose sum is σ = 85680000. Its totient is φ = 31921344.

The previous prime is 52787233. The next prime is 52787281. The reversal of 52787241 is 14278725.

It is not a de Polignac number, because 52787241 - 2³ = 52787233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52787196 and 52787205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52787201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19435 + ... + 21983.

It is an arithmetic number, because the mean of its divisors is an integer number (2677500).

Almost surely, 2^52787241 is an apocalyptic number.

It is an amenable number.

52787241 is a deficient number, since it is larger than the sum of its proper divisors (32892759).

52787241 is a wasteful number, since it uses less digits than its factorization.

52787241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2624 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 52787241 is about 7265.4828469965. The cubic root of 52787241 is about 375.1252701484.

It can be divided in two parts, 5278724 and 1, that added together give a palindrome (5278725).

The spelling of 52787241 in words is "fifty-two million, seven hundred eighty-seven thousand, two hundred forty-one".