51023055 has 32 divisors (see below), whose sum is σ = 84879360. Its totient is φ = 26144640.

The previous prime is 51023053. The next prime is 51023081. The reversal of 51023055 is 55032015.

51023055 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 51023055 - 2¹ = 51023053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023053) 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 31 ways as a sum of consecutive naturals, for example, 82929 + ... + 83541.

It is an arithmetic number, because the mean of its divisors is an integer number (2652480).

Almost surely, 2^51023055 is an apocalyptic number.

51023055 is a deficient number, since it is larger than the sum of its proper divisors (33856305).

51023055 is a wasteful number, since it uses less digits than its factorization.

51023055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 51023055 is about 7143.0424190257. The cubic root of 51023055 is about 370.8988494549.

The spelling of 51023055 in words is "fifty-one million, twenty-three thousand, fifty-five".