55726347028 has 24 divisors (see below), whose sum is σ = 106439266080. Its totient is φ = 25317633120.

The previous prime is 55726347023. The next prime is 55726347091. The reversal of 55726347028 is 82074362755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55726347023) 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 7 ways as a sum of consecutive naturals, for example, 222826 + ... + 401377.

It is an arithmetic number, because the mean of its divisors is an integer number (4434969420).

Almost surely, 2^55726347028 is an apocalyptic number.

It is an amenable number.

55726347028 is a deficient number, since it is larger than the sum of its proper divisors (50712919052).

55726347028 is a wasteful number, since it uses less digits than its factorization.

55726347028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626247 (or 626245 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 55726347028 in words is "fifty-five billion, seven hundred twenty-six million, three hundred forty-seven thousand, twenty-eight".