51601461 has 8 divisors (see below), whose sum is σ = 69304704. Its totient is φ = 34149600.

The previous prime is 51601447. The next prime is 51601507. The reversal of 51601461 is 16410615.

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

It is not a de Polignac number, because 51601461 - 2⁹ = 51600949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62365 + ... + 63186.

It is an arithmetic number, because the mean of its divisors is an integer number (8663088).

Almost surely, 2^51601461 is an apocalyptic number.

It is an amenable number.

51601461 is a deficient number, since it is larger than the sum of its proper divisors (17703243).

51601461 is a wasteful number, since it uses less digits than its factorization.

51601461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125691.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51601461 is about 7183.4156917166. The cubic root of 51601461 is about 372.2951106619.

The spelling of 51601461 in words is "fifty-one million, six hundred one thousand, four hundred sixty-one".