51601026 has 8 divisors (see below), whose sum is σ = 103202064. Its totient is φ = 17200340.

The previous prime is 51601021. The next prime is 51601057. The reversal of 51601026 is 62010615.

It is a happy number.

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

51601026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51600993 and 51601011.

It is not an unprimeable number, because it can be changed into a prime (51601021) 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, 4300080 + ... + 4300091.

It is an arithmetic number, because the mean of its divisors is an integer number (12900258).

Almost surely, 2^51601026 is an apocalyptic number.

51601026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51601026 is a wasteful number, since it uses less digits than its factorization.

51601026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600176.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51601026 is about 7183.3854135776. The cubic root of 51601026 is about 372.2940645105.

The spelling of 51601026 in words is "fifty-one million, six hundred one thousand, twenty-six".