55415922 has 8 divisors (see below), whose sum is σ = 110831856. Its totient is φ = 18471972.

The previous prime is 55415911. The next prime is 55415923. The reversal of 55415922 is 22951455.

55415922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

55415922 is an admirable number.

It is a super-2 number, since 2×55415922² = 6141848822220168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55415923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617988 + ... + 4617999.

It is an arithmetic number, because the mean of its divisors is an integer number (13853982).

Almost surely, 2^55415922 is an apocalyptic number.

55415922 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.

55415922 is a wasteful number, since it uses less digits than its factorization.

55415922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235992.

The product of its digits is 18000, while the sum is 33.

The square root of 55415922 is about 7444.1871282229. The cubic root of 55415922 is about 381.2514649411.

The spelling of 55415922 in words is "fifty-five million, four hundred fifteen thousand, nine hundred twenty-two".