55882142 has 4 divisors (see below), whose sum is σ = 83823216. Its totient is φ = 27941070.

The previous prime is 55882133. The next prime is 55882147. The reversal of 55882142 is 24128855.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55882147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13970534 + ... + 13970537.

It is an arithmetic number, because the mean of its divisors is an integer number (20955804).

Almost surely, 2^55882142 is an apocalyptic number.

55882142 is a deficient number, since it is larger than the sum of its proper divisors (27941074).

55882142 is a wasteful number, since it uses less digits than its factorization.

55882142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27941073.

The product of its digits is 25600, while the sum is 35.

The square root of 55882142 is about 7475.4359070224. The cubic root of 55882142 is about 382.3176501346.

The spelling of 55882142 in words is "fifty-five million, eight hundred eighty-two thousand, one hundred forty-two".