51703897 has 8 divisors (see below), whose sum is σ = 61128000. Its totient is φ = 42789264.

The previous prime is 51703871. The next prime is 51703903. The reversal of 51703897 is 79830715.

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

It is a de Polignac number, because none of the positive numbers 2^k-51703897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51703867) 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, 127147 + ... + 127552.

It is an arithmetic number, because the mean of its divisors is an integer number (7641000).

Almost surely, 2^51703897 is an apocalyptic number.

It is an amenable number.

51703897 is a deficient number, since it is larger than the sum of its proper divisors (9424103).

51703897 is a wasteful number, since it uses less digits than its factorization.

51703897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254735.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 51703897 is about 7190.5421909617. The cubic root of 51703897 is about 372.5413001668.

The spelling of 51703897 in words is "fifty-one million, seven hundred three thousand, eight hundred ninety-seven".