51692031 has 12 divisors (see below), whose sum is σ = 74731800. Its totient is φ = 34431120.

The previous prime is 51692029. The next prime is 51692033. The reversal of 51692031 is 13029615.

It is an interprime number because it is at equal distance from previous prime (51692029) and next prime (51692033).

It is not a de Polignac number, because 51692031 - 2¹ = 51692029 is a prime.

It is a super-2 number, since 2×51692031² = 5344132137809922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51691986 and 51692004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51692033) 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, 14020 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (6227650).

Almost surely, 2^51692031 is an apocalyptic number.

51692031 is a deficient number, since it is larger than the sum of its proper divisors (23039769).

51692031 is a wasteful number, since it uses less digits than its factorization.

51692031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 51692031 is about 7189.7170319839. The cubic root of 51692031 is about 372.5127986834.

The spelling of 51692031 in words is "fifty-one million, six hundred ninety-two thousand, thirty-one".