55805778025302 has 32 divisors (see below), whose sum is σ = 118012690897920. Its totient is φ = 17543850907680.

The previous prime is 55805778025279. The next prime is 55805778025337. The reversal of 55805778025302 is 20352087750855.

55805778025302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55805778025302² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1097562849 + ... + 1097613692.

It is an arithmetic number, because the mean of its divisors is an integer number (3687896590560).

Almost surely, 2^{55805778025302} is an apocalyptic number.

55805778025302 is an abundant number, since it is smaller than the sum of its proper divisors (62206912872618).

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

55805778025302 is a wasteful number, since it uses less digits than its factorization.

55805778025302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195176788.

The product of its (nonzero) digits is 23520000, while the sum is 57.

The spelling of 55805778025302 in words is "fifty-five trillion, eight hundred five billion, seven hundred seventy-eight million, twenty-five thousand, three hundred two".