55413252233440 has 48 divisors (see below), whose sum is σ = 133059936431520. Its totient is φ = 21801935301120.

The previous prime is 55413252233419. The next prime is 55413252233447. The reversal of 55413252233440 is 4433225231455.

55413252233440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413252233447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838783900 + ... + 2838803419.

It is an arithmetic number, because the mean of its divisors is an integer number (2772082008990).

Almost surely, 2^{55413252233440} is an apocalyptic number.

It is an amenable number.

55413252233440 is an abundant number, since it is smaller than the sum of its proper divisors (77646684198080).

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

55413252233440 is a wasteful number, since it uses less digits than its factorization.

55413252233440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677587395 (or 5677587387 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 55413252233440 its reverse (4433225231455), we get a palindrome (59846477464895).

The spelling of 55413252233440 in words is "fifty-five trillion, four hundred thirteen billion, two hundred fifty-two million, two hundred thirty-three thousand, four hundred forty".