55771322 has 8 divisors (see below), whose sum is σ = 88578036. Its totient is φ = 26245312.

The previous prime is 55771273. The next prime is 55771337. The reversal of 55771322 is 22317755.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 11162281 = 6679^2 + 3341^2 .

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

It is a super-2 number, since 2×55771322² = 6220880715255368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820133 + ... + 820200.

Almost surely, 2^55771322 is an apocalyptic number.

55771322 is a deficient number, since it is larger than the sum of its proper divisors (32806714).

55771322 is a wasteful number, since it uses less digits than its factorization.

55771322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640352.

The product of its digits is 14700, while the sum is 32.

The square root of 55771322 is about 7468.0199517677. The cubic root of 55771322 is about 382.0647578965.

The spelling of 55771322 in words is "fifty-five million, seven hundred seventy-one thousand, three hundred twenty-two".