55671112 has 32 divisors (see below), whose sum is σ = 122209920. Its totient is φ = 23276160.

The previous prime is 55671089. The next prime is 55671127. The reversal of 55671112 is 21117655.

It is a super-2 number, since 2×55671112² = 6198545422633088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9828 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (3819060).

Almost surely, 2^55671112 is an apocalyptic number.

It is an amenable number.

55671112 is an abundant number, since it is smaller than the sum of its proper divisors (66538808).

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

55671112 is a wasteful number, since it uses less digits than its factorization.

55671112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301 (or 24297 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 55671112 is about 7461.3076601893. The cubic root of 55671112 is about 381.8357891832.

Adding to 55671112 its reverse (21117655), we get a palindrome (76788767).

The spelling of 55671112 in words is "fifty-five million, six hundred seventy-one thousand, one hundred twelve".