55722084 has 24 divisors (see below), whose sum is σ = 141838368. Its totient is φ = 16885440.

The previous prime is 55722083. The next prime is 55722101. The reversal of 55722084 is 48022755.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (55722083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210937 + ... + 211200.

It is an arithmetic number, because the mean of its divisors is an integer number (5909932).

Almost surely, 2^55722084 is an apocalyptic number.

It is an amenable number.

55722084 is an abundant number, since it is smaller than the sum of its proper divisors (86116284).

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

55722084 is a wasteful number, since it uses less digits than its factorization.

55722084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422155 (or 422153 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 55722084 is about 7464.7226338291. The cubic root of 55722084 is about 381.9522888431.

The spelling of 55722084 in words is "fifty-five million, seven hundred twenty-two thousand, eighty-four".