51670112 has 48 divisors (see below), whose sum is σ = 113354640. Its totient is φ = 23020032.

The previous prime is 51670103. The next prime is 51670163. The reversal of 51670112 is 21107615.

It is a congruent number.

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, 9923 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (2361555).

Almost surely, 2^51670112 is an apocalyptic number.

51670112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51670112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56677320).

51670112 is an abundant number, since it is smaller than the sum of its proper divisors (61684528).

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

51670112 is a wasteful number, since it uses less digits than its factorization.

51670112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 51670112 is about 7188.1925405487. The cubic root of 51670112 is about 372.4601389714.

Adding to 51670112 its reverse (21107615), we get a palindrome (72777727).

The spelling of 51670112 in words is "fifty-one million, six hundred seventy thousand, one hundred twelve".