55921926 has 8 divisors (see below), whose sum is σ = 111843864. Its totient is φ = 18640640.

The previous prime is 55921913. The next prime is 55921951. The reversal of 55921926 is 62912955.

It is a sphenic number, since it is the product of 3 distinct primes.

55921926 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4660155 + ... + 4660166.

It is an arithmetic number, because the mean of its divisors is an integer number (13980483).

Almost surely, 2^55921926 is an apocalyptic number.

55921926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55921926 is a wasteful number, since it uses less digits than its factorization.

55921926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9320326.

The product of its digits is 48600, while the sum is 39.

The square root of 55921926 is about 7478.0964155325. The cubic root of 55921926 is about 382.4083560189.

The spelling of 55921926 in words is "fifty-five million, nine hundred twenty-one thousand, nine hundred twenty-six".