55524340 has 12 divisors (see below), whose sum is σ = 116601156. Its totient is φ = 22209728.

The previous prime is 55524283. The next prime is 55524347. The reversal of 55524340 is 4342555.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 25120144 = 5514^2 + 5012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55524299 and 55524308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55524347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388089 + ... + 1388128.

It is an arithmetic number, because the mean of its divisors is an integer number (9716763).

Almost surely, 2^55524340 is an apocalyptic number.

It is an amenable number.

55524340 is an abundant number, since it is smaller than the sum of its proper divisors (61076816).

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

55524340 is a wasteful number, since it uses less digits than its factorization.

55524340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776226 (or 2776224 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55524340 is about 7451.4656276467. The cubic root of 55524340 is about 381.4999350131.

Adding to 55524340 its reverse (4342555), we get a palindrome (59866895).

The spelling of 55524340 in words is "fifty-five million, five hundred twenty-four thousand, three hundred forty".