51601104 has 40 divisors (see below), whose sum is σ = 148115520. Its totient is φ = 17200224.

The previous prime is 51601097. The next prime is 51601117. The reversal of 51601104 is 40110615.

51601104 is a `hidden beast` number, since 51 + 601 + 10 + 4 = 666.

51601104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59292 + ... + 60155.

It is an arithmetic number, because the mean of its divisors is an integer number (3702888).

Almost surely, 2^51601104 is an apocalyptic number.

51601104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51601104 is an abundant number, since it is smaller than the sum of its proper divisors (96514416).

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

51601104 is a wasteful number, since it uses less digits than its factorization.

51601104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119464 (or 119452 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 51601104 is about 7183.3908427706. The cubic root of 51601104 is about 372.2942520967.

Adding to 51601104 its reverse (40110615), we get a palindrome (91711719).

The spelling of 51601104 in words is "fifty-one million, six hundred one thousand, one hundred four".