51492673 has 4 divisors (see below), whose sum is σ = 51507648. Its totient is φ = 51477700.

The previous prime is 51492671. The next prime is 51492697. The reversal of 51492673 is 37629415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51492673 - 2¹ = 51492671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51492671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (12876912).

Almost surely, 2^51492673 is an apocalyptic number.

It is an amenable number.

51492673 is a deficient number, since it is larger than the sum of its proper divisors (14975).

51492673 is an equidigital number, since it uses as much as digits as its factorization.

51492673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974.

The product of its digits is 45360, while the sum is 37.

The square root of 51492673 is about 7175.8395327655. The cubic root of 51492673 is about 372.0332980754.

The spelling of 51492673 in words is "fifty-one million, four hundred ninety-two thousand, six hundred seventy-three".