51601010 has 8 divisors (see below), whose sum is σ = 92881836. Its totient is φ = 20640400.

The previous prime is 51601009. The next prime is 51601021. The reversal of 51601010 is 1010615.

It can be written as a sum of positive squares in 2 ways, for example, as 49547521 + 2053489 = 7039^2 + 1433^2 .

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, 2580041 + ... + 2580060.

Almost surely, 2^51601010 is an apocalyptic number.

51601010 is a deficient number, since it is larger than the sum of its proper divisors (41280826).

51601010 is a wasteful number, since it uses less digits than its factorization.

51601010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160108.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 51601010 is about 7183.3842998965. The cubic root of 51601010 is about 372.2940260312.

Adding to 51601010 its reverse (1010615), we get a palindrome (52611625).

The spelling of 51601010 in words is "fifty-one million, six hundred one thousand, ten".