51560273 has 4 divisors (see below), whose sum is σ = 53802048. Its totient is φ = 49318500.

The previous prime is 51560261. The next prime is 51560317. The reversal of 51560273 is 37206515.

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.

It is a cyclic number.

It is not a de Polignac number, because 51560273 - 2²⁴ = 34783057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51560233) 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, 1120853 + ... + 1120898.

It is an arithmetic number, because the mean of its divisors is an integer number (13450512).

Almost surely, 2^51560273 is an apocalyptic number.

It is an amenable number.

51560273 is a deficient number, since it is larger than the sum of its proper divisors (2241775).

51560273 is a wasteful number, since it uses less digits than its factorization.

51560273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241774.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 51560273 is about 7180.5482381222. The cubic root of 51560273 is about 372.1960296644.

Adding to 51560273 its reverse (37206515), we get a palindrome (88766788).

The spelling of 51560273 in words is "fifty-one million, five hundred sixty thousand, two hundred seventy-three".