51119712 has 72 divisors (see below), whose sum is σ = 166145616. Its totient is φ = 14605056.

The previous prime is 51119711. The next prime is 51119723. The reversal of 51119712 is 21791115.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×51119712² = 5226449909925888, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51119711) 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, 10663 + ... + 14694.

It is an arithmetic number, because the mean of its divisors is an integer number (2307578).

Almost surely, 2^51119712 is an apocalyptic number.

It is an amenable number.

51119712 is an abundant number, since it is smaller than the sum of its proper divisors (115025904).

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

51119712 is a wasteful number, since it uses less digits than its factorization.

51119712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25380 (or 25369 counting only the distinct ones).

The product of its digits is 630, while the sum is 27.

The square root of 51119712 is about 7149.8050323068. The cubic root of 51119712 is about 371.1329093720.

The spelling of 51119712 in words is "fifty-one million, one hundred nineteen thousand, seven hundred twelve".