51792013 has 16 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 38566656.

The previous prime is 51792007. The next prime is 51792019. The reversal of 51792013 is 31029715.

It is an interprime number because it is at equal distance from previous prime (51792007) and next prime (51792019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51792013 is a prime.

It is a super-2 number, since 2×51792013² = 5364825221184338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51792019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15193 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (4218480).

Almost surely, 2^51792013 is an apocalyptic number.

It is an amenable number.

51792013 is a deficient number, since it is larger than the sum of its proper divisors (15703667).

51792013 is a wasteful number, since it uses less digits than its factorization.

51792013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33516.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51792013 is about 7196.6667979003. Note that the first 3 decimals coincide. The cubic root of 51792013 is about 372.7528136789.

The spelling of 51792013 in words is "fifty-one million, seven hundred ninety-two thousand, thirteen".