55571112 has 48 divisors (see below), whose sum is σ = 150920640. Its totient is φ = 18472608.

The previous prime is 55571107. The next prime is 55571119. The reversal of 55571112 is 21117555.

It is not an unprimeable number, because it can be changed into a prime (55571119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32503 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (3144180).

Almost surely, 2^55571112 is an apocalyptic number.

It is an amenable number.

55571112 is an abundant number, since it is smaller than the sum of its proper divisors (95349528).

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

55571112 is a wasteful number, since it uses less digits than its factorization.

55571112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2135 counting only the distinct ones).

The product of its digits is 1750, while the sum is 27.

The square root of 55571112 is about 7454.6034099743. The cubic root of 55571112 is about 381.6070262277.

Adding to 55571112 its reverse (21117555), we get a palindrome (76688667).

The spelling of 55571112 in words is "fifty-five million, five hundred seventy-one thousand, one hundred twelve".