51959290 has 8 divisors (see below), whose sum is σ = 93526740. Its totient is φ = 20783712.

The previous prime is 51959269. The next prime is 51959333. The reversal of 51959290 is 9295915.

It can be written as a sum of positive squares in 2 ways, for example, as 51165409 + 793881 = 7153^2 + 891^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597955 + ... + 2597974.

Almost surely, 2^51959290 is an apocalyptic number.

51959290 is a deficient number, since it is larger than the sum of its proper divisors (41567450).

51959290 is a wasteful number, since it uses less digits than its factorization.

51959290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195936.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 51959290 is about 7208.2792676200. The cubic root of 51959290 is about 373.1536860665.

The spelling of 51959290 in words is "fifty-one million, nine hundred fifty-nine thousand, two hundred ninety".