51346505 has 8 divisors (see below), whose sum is σ = 70418112. Its totient is φ = 35209008.

The previous prime is 51346499. The next prime is 51346507. The reversal of 51346505 is 50564315.

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

It is a cyclic number.

It is not a de Polignac number, because 51346505 - 2⁶ = 51346441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51346507) 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, 733487 + ... + 733556.

It is an arithmetic number, because the mean of its divisors is an integer number (8802264).

Almost surely, 2^51346505 is an apocalyptic number.

It is an amenable number.

51346505 is a deficient number, since it is larger than the sum of its proper divisors (19071607).

51346505 is a wasteful number, since it uses less digits than its factorization.

51346505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467055.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51346505 is about 7165.6475632004. The cubic root of 51346505 is about 371.6809443953.

The spelling of 51346505 in words is "fifty-one million, three hundred forty-six thousand, five hundred five".