55450722 has 8 divisors (see below), whose sum is σ = 110901456. Its totient is φ = 18483572.

The previous prime is 55450711. The next prime is 55450739. The reversal of 55450722 is 22705455.

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

55450722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55450722.

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, 4620888 + ... + 4620899.

It is an arithmetic number, because the mean of its divisors is an integer number (13862682).

Almost surely, 2^55450722 is an apocalyptic number.

55450722 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.

55450722 is a wasteful number, since it uses less digits than its factorization.

55450722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241792.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55450722 is about 7446.5241556044. The cubic root of 55450722 is about 381.3312541318.

The spelling of 55450722 in words is "fifty-five million, four hundred fifty thousand, seven hundred twenty-two".