55490392146 has 32 divisors (see below), whose sum is σ = 126847392768. Its totient is φ = 15852871440.

The previous prime is 55490392129. The next prime is 55490392151. The reversal of 55490392146 is 64129309455.

55490392146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55490392095 and 55490392104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421371 + ... + 537153.

It is an arithmetic number, because the mean of its divisors is an integer number (3963981024).

Almost surely, 2^55490392146 is an apocalyptic number.

55490392146 is an abundant number, since it is smaller than the sum of its proper divisors (71357000622).

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

55490392146 is a wasteful number, since it uses less digits than its factorization.

55490392146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127206.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 55490392146 in words is "fifty-five billion, four hundred ninety million, three hundred ninety-two thousand, one hundred forty-six".