55055002780054 has 32 divisors (see below), whose sum is σ = 89929026604800. Its totient is φ = 25178713570080.

The previous prime is 55055002780051. The next prime is 55055002780061. The reversal of 55055002780054 is 45008720055055.

It is a super-2 number, since 2×55055002780054² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055002779986 and 55055002780013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055002780051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39618199 + ... + 40984285.

It is an arithmetic number, because the mean of its divisors is an integer number (2810282081400).

Almost surely, 2^{55055002780054} is an apocalyptic number.

55055002780054 is a deficient number, since it is larger than the sum of its proper divisors (34874023824746).

55055002780054 is a wasteful number, since it uses less digits than its factorization.

55055002780054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402708.

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 55055002780054 in words is "fifty-five trillion, fifty-five billion, two million, seven hundred eighty thousand, fifty-four".