51700337 has 4 divisors (see below), whose sum is σ = 55677300. Its totient is φ = 47723376.

The previous prime is 51700331. The next prime is 51700351. The reversal of 51700337 is 73300715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34093921 + 17606416 = 5839^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 51700337 - 2¹⁰ = 51699313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51700331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988462 + ... + 1988487.

It is an arithmetic number, because the mean of its divisors is an integer number (13919325).

Almost surely, 2^51700337 is an apocalyptic number.

It is an amenable number.

51700337 is a deficient number, since it is larger than the sum of its proper divisors (3976963).

51700337 is a wasteful number, since it uses less digits than its factorization.

51700337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976962.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 51700337 is about 7190.2946393037. The cubic root of 51700337 is about 372.5327496993.

The spelling of 51700337 in words is "fifty-one million, seven hundred thousand, three hundred thirty-seven".