55422773 has 6 divisors (see below), whose sum is σ = 64471446. Its totient is φ = 47505192.

The previous prime is 55422769. The next prime is 55422797. The reversal of 55422773 is 37722455.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 7300804 = 6937^2 + 2702^2 .

It is not a de Polignac number, because 55422773 - 2² = 55422769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565490 + ... + 565587.

It is an arithmetic number, because the mean of its divisors is an integer number (10745241).

Almost surely, 2^55422773 is an apocalyptic number.

It is an amenable number.

55422773 is a deficient number, since it is larger than the sum of its proper divisors (9048673).

55422773 is a wasteful number, since it uses less digits than its factorization.

55422773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131091 (or 1131084 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 55422773 is about 7444.6472716980. The cubic root of 55422773 is about 381.2671755050.

The spelling of 55422773 in words is "fifty-five million, four hundred twenty-two thousand, seven hundred seventy-three".