51601755 has 16 divisors (see below), whose sum is σ = 83492640. Its totient is φ = 27211008.

The previous prime is 51601741. The next prime is 51601757. The reversal of 51601755 is 55710615.

51601755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51601755 - 2⁶ = 51601691 is a prime.

It is a super-2 number, since 2×51601755² = 5325482238160050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51601757) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17992 + ... + 20661.

It is an arithmetic number, because the mean of its divisors is an integer number (5218290).

Almost surely, 2^51601755 is an apocalyptic number.

51601755 is a deficient number, since it is larger than the sum of its proper divisors (31890885).

51601755 is a wasteful number, since it uses less digits than its factorization.

51601755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38750.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 51601755 is about 7183.4361554899. The cubic root of 51601755 is about 372.2958177127.

The spelling of 51601755 in words is "fifty-one million, six hundred one thousand, seven hundred fifty-five".