51323607 has 6 divisors (see below), whose sum is σ = 74134112. Its totient is φ = 34215732.

The previous prime is 51323593. The next prime is 51323611. The reversal of 51323607 is 70632315.

It is a happy number.

51323607 is a `hidden beast` number, since 51 + 3 + 2 + 3 + 607 = 666.

It is not a de Polignac number, because 51323607 - 2⁶ = 51323543 is a prime.

It is a super-2 number, since 2×51323607² = 5268225270980898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323627) 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, 2851303 + ... + 2851320.

Almost surely, 2^51323607 is an apocalyptic number.

51323607 is a deficient number, since it is larger than the sum of its proper divisors (22810505).

51323607 is a wasteful number, since it uses less digits than its factorization.

51323607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702629 (or 5702626 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 51323607 is about 7164.0496229437. The cubic root of 51323607 is about 371.6256857450.

The spelling of 51323607 in words is "fifty-one million, three hundred twenty-three thousand, six hundred seven".