51125366 has 16 divisors (see below), whose sum is σ = 81886464. Its totient is φ = 23881704.

The previous prime is 51125363. The next prime is 51125377. The reversal of 51125366 is 66352115.

It is a super-2 number, since 2×51125366² = 5227606097267912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51125363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10946 + ... + 14901.

It is an arithmetic number, because the mean of its divisors is an integer number (5117904).

Almost surely, 2^51125366 is an apocalyptic number.

51125366 is a deficient number, since it is larger than the sum of its proper divisors (30761098).

51125366 is a wasteful number, since it uses less digits than its factorization.

51125366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25915.

The product of its digits is 5400, while the sum is 29.

The square root of 51125366 is about 7150.2004167715. The cubic root of 51125366 is about 371.1465916877.

The spelling of 51125366 in words is "fifty-one million, one hundred twenty-five thousand, three hundred sixty-six".