51494112 has 36 divisors (see below), whose sum is σ = 146437200. Its totient is φ = 17164608.

The previous prime is 51494089. The next prime is 51494119. The reversal of 51494112 is 21149415.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×51494112⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51494119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89112 + ... + 89687.

It is an arithmetic number, because the mean of its divisors is an integer number (4067700).

Almost surely, 2^51494112 is an apocalyptic number.

It is an amenable number.

51494112 is an abundant number, since it is smaller than the sum of its proper divisors (94943088).

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

51494112 is a wasteful number, since it uses less digits than its factorization.

51494112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178815 (or 178804 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 51494112 is about 7175.9397990786. The cubic root of 51494112 is about 372.0367636230.

It can be divided in two parts, 5149 and 4112, that added together give a cube (9261 = 21³).

The spelling of 51494112 in words is "fifty-one million, four hundred ninety-four thousand, one hundred twelve".