55782780503325 has 48 divisors (see below), whose sum is σ = 92337754291200. Its totient is φ = 29715270379200.

The previous prime is 55782780503293. The next prime is 55782780503327. The reversal of 55782780503325 is 52330508728755.

55782780503325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55782780503325 - 2⁵ = 55782780503293 is a prime.

It is a super-2 number, since 2×55782780503325² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55782780503327) 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 47 ways as a sum of consecutive naturals, for example, 464490636 + ... + 464610714.

It is an arithmetic number, because the mean of its divisors is an integer number (1923703214400).

Almost surely, 2^{55782780503325} is an apocalyptic number.

It is an amenable number.

55782780503325 is a deficient number, since it is larger than the sum of its proper divisors (36554973787875).

55782780503325 is a wasteful number, since it uses less digits than its factorization.

55782780503325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127442 (or 127437 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 60.

The spelling of 55782780503325 in words is "fifty-five trillion, seven hundred eighty-two billion, seven hundred eighty million, five hundred three thousand, three hundred twenty-five".