55033820406 has 24 divisors (see below), whose sum is σ = 119358159960. Its totient is φ = 18326419776.

The previous prime is 55033820383. The next prime is 55033820431. The reversal of 55033820406 is 60402833055.

It is a happy number.

55033820406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1496920 + ... + 1533243.

It is an arithmetic number, because the mean of its divisors is an integer number (4973256665).

Almost surely, 2^55033820406 is an apocalyptic number.

55033820406 is an abundant number, since it is smaller than the sum of its proper divisors (64324339554).

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

55033820406 is a wasteful number, since it uses less digits than its factorization.

55033820406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031180 (or 3031177 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 55033820406 in words is "fifty-five billion, thirty-three million, eight hundred twenty thousand, four hundred six".