51374587 has 8 divisors (see below), whose sum is σ = 56197440. Its totient is φ = 46577160.

The previous prime is 51374549. The next prime is 51374591. The reversal of 51374587 is 78547315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51374587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51374507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (7024680).

Almost surely, 2^51374587 is an apocalyptic number.

51374587 is a deficient number, since it is larger than the sum of its proper divisors (4822853).

51374587 is a wasteful number, since it uses less digits than its factorization.

51374587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713.

The product of its digits is 117600, while the sum is 40.

The square root of 51374587 is about 7167.6067832994. The cubic root of 51374587 is about 371.7486909216.

The spelling of 51374587 in words is "fifty-one million, three hundred seventy-four thousand, five hundred eighty-seven".