51970499 has 8 divisors (see below), whose sum is σ = 59445600. Its totient is φ = 44508096.

The previous prime is 51970469. The next prime is 51970511. The reversal of 51970499 is 99407915.

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-51970499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51970439) 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, 8447 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (7430700).

Almost surely, 2^51970499 is an apocalyptic number.

51970499 is a deficient number, since it is larger than the sum of its proper divisors (7475101).

51970499 is a wasteful number, since it uses less digits than its factorization.

51970499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 51970499 is about 7209.0567344140. The cubic root of 51970499 is about 373.1805171936.

The spelling of 51970499 in words is "fifty-one million, nine hundred seventy thousand, four hundred ninety-nine".