51601103 has 8 divisors (see below), whose sum is σ = 54804672. Its totient is φ = 48416256.

The previous prime is 51601097. The next prime is 51601117. The reversal of 51601103 is 30110615.

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 51601103 - 2⁴ = 51601087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601153) 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, 1226 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (6850584).

Almost surely, 2^51601103 is an apocalyptic number.

51601103 is a deficient number, since it is larger than the sum of its proper divisors (3203569).

51601103 is a wasteful number, since it uses less digits than its factorization.

51601103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 51601103 is about 7183.3907731656. The cubic root of 51601103 is about 372.2942496917.

Adding to 51601103 its reverse (30110615), we get a palindrome (81711718).

The spelling of 51601103 in words is "fifty-one million, six hundred one thousand, one hundred three".