51436797 has 8 divisors (see below), whose sum is σ = 68616480. Its totient is φ = 34274160.

The previous prime is 51436793. The next prime is 51436799. The reversal of 51436797 is 79763415.

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

It is not a de Polignac number, because 51436797 - 2² = 51436793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436793) 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, 7147 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (8577060).

Almost surely, 2^51436797 is an apocalyptic number.

It is an amenable number.

51436797 is a deficient number, since it is larger than the sum of its proper divisors (17179683).

51436797 is a wasteful number, since it uses less digits than its factorization.

51436797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its digits is 158760, while the sum is 42.

The square root of 51436797 is about 7171.9451336440. The cubic root of 51436797 is about 371.8986817958.

The spelling of 51436797 in words is "fifty-one million, four hundred thirty-six thousand, seven hundred ninety-seven".