51466023 has 30 divisors (see below), whose sum is σ = 89440296. Its totient is φ = 29406888.

The previous prime is 51466007. The next prime is 51466031. The reversal of 51466023 is 32066415.

51466023 is a `hidden beast` number, since 51 + 4 + 6 + 602 + 3 = 666.

51466023 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 51466023 - 2⁴ = 51466007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51466033) 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 29 ways as a sum of consecutive naturals, for example, 2515 + ... + 10452.

Almost surely, 2^51466023 is an apocalyptic number.

51466023 is a deficient number, since it is larger than the sum of its proper divisors (37974273).

51466023 is a wasteful number, since it uses less digits than its factorization.

51466023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12977 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 51466023 is about 7173.9823668587. The cubic root of 51466023 is about 371.9691051345.

The spelling of 51466023 in words is "fifty-one million, four hundred sixty-six thousand, twenty-three".