55422415 has 8 divisors (see below), whose sum is σ = 66735648. Its totient is φ = 44185440.

The previous prime is 55422407. The next prime is 55422443. The reversal of 55422415 is 51422455.

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

It is not a de Polignac number, because 55422415 - 2³ = 55422407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17451 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (8341956).

Almost surely, 2^55422415 is an apocalyptic number.

55422415 is a deficient number, since it is larger than the sum of its proper divisors (11313233).

55422415 is a wasteful number, since it uses less digits than its factorization.

55422415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38129.

The product of its digits is 8000, while the sum is 28.

The square root of 55422415 is about 7444.6232275381. The cubic root of 55422415 is about 381.2663545793.

The spelling of 55422415 in words is "fifty-five million, four hundred twenty-two thousand, four hundred fifteen".