51842112 has 112 divisors (see below), whose sum is σ = 166055040. Its totient is φ = 13934592.

The previous prime is 51842107. The next prime is 51842117. The reversal of 51842112 is 21124815.

It is an interprime number because it is at equal distance from previous prime (51842107) and next prime (51842117).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51842117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21714 + ... + 23982.

Almost surely, 2^51842112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51842112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83027520).

51842112 is an abundant number, since it is smaller than the sum of its proper divisors (114212928).

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

51842112 is a wasteful number, since it uses less digits than its factorization.

51842112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2298 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 51842112 is about 7200.1466651729. The cubic root of 51842112 is about 372.8729642839.

Adding to 51842112 its reverse (21124815), we get a palindrome (72966927).

The spelling of 51842112 in words is "fifty-one million, eight hundred forty-two thousand, one hundred twelve".