53524340 has 12 divisors (see below), whose sum is σ = 112401156. Its totient is φ = 21409728.

The previous prime is 53524337. The next prime is 53524391. The reversal of 53524340 is 4342535.

It can be written as a sum of positive squares in 2 ways, for example, as 19114384 + 34409956 = 4372^2 + 5866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338089 + ... + 1338128.

It is an arithmetic number, because the mean of its divisors is an integer number (9366763).

Almost surely, 2^53524340 is an apocalyptic number.

It is an amenable number.

53524340 is an abundant number, since it is smaller than the sum of its proper divisors (58876816).

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

53524340 is a wasteful number, since it uses less digits than its factorization.

53524340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676226 (or 2676224 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53524340 is about 7316.0330781100. The cubic root of 53524340 is about 376.8632365622.

Adding to 53524340 its reverse (4342535), we get a palindrome (57866875).

The spelling of 53524340 in words is "fifty-three million, five hundred twenty-four thousand, three hundred forty".