55822790 has 16 divisors (see below), whose sum is σ = 100602000. Its totient is φ = 22302240.

The previous prime is 55822787. The next prime is 55822841. The reversal of 55822790 is 9722855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6836 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (6287625).

Almost surely, 2^55822790 is an apocalyptic number.

55822790 is a deficient number, since it is larger than the sum of its proper divisors (44779210).

55822790 is a wasteful number, since it uses less digits than its factorization.

55822790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 55822790 is about 7471.4650504436. The cubic root of 55822790 is about 382.1822499600.

The spelling of 55822790 in words is "fifty-five million, eight hundred twenty-two thousand, seven hundred ninety".