51740567 has 6 divisors (see below), whose sum is σ = 52973712. Its totient is φ = 50535492.

The previous prime is 51740551. The next prime is 51740569. The reversal of 51740567 is 76504715.

It is not a de Polignac number, because 51740567 - 2⁴ = 51740551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51740569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12143 + ... + 15840.

It is an arithmetic number, because the mean of its divisors is an integer number (8828952).

Almost surely, 2^51740567 is an apocalyptic number.

51740567 is a deficient number, since it is larger than the sum of its proper divisors (1233145).

51740567 is an equidigital number, since it uses as much as digits as its factorization.

51740567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069 (or 28026 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 51740567 is about 7193.0916162663. The cubic root of 51740567 is about 372.6293519509.

The spelling of 51740567 in words is "fifty-one million, seven hundred forty thousand, five hundred sixty-seven".