51020337 has 8 divisors (see below), whose sum is σ = 68435136. Its totient is φ = 33809552.

The previous prime is 51020323. The next prime is 51020341. The reversal of 51020337 is 73302015.

It is a happy number.

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 51020337 - 2⁶ = 51020273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51020237) 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, 50418 + ... + 51419.

It is an arithmetic number, because the mean of its divisors is an integer number (8554392).

Almost surely, 2^51020337 is an apocalyptic number.

It is an amenable number.

51020337 is a deficient number, since it is larger than the sum of its proper divisors (17414799).

51020337 is a wasteful number, since it uses less digits than its factorization.

51020337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102007.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 51020337 is about 7142.8521614268. The cubic root of 51020337 is about 370.8922634062.

The spelling of 51020337 in words is "fifty-one million, twenty thousand, three hundred thirty-seven".