51164462 has 4 divisors (see below), whose sum is σ = 76746696. Its totient is φ = 25582230.

The previous prime is 51164461. The next prime is 51164471. The reversal of 51164462 is 26446115.

51164462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51164461) 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 as a sum of consecutive naturals, namely, 12791114 + ... + 12791117.

It is an arithmetic number, because the mean of its divisors is an integer number (19186674).

Almost surely, 2^51164462 is an apocalyptic number.

51164462 is a deficient number, since it is larger than the sum of its proper divisors (25582234).

51164462 is a wasteful number, since it uses less digits than its factorization.

51164462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582233.

The product of its digits is 5760, while the sum is 29.

The square root of 51164462 is about 7152.9338036920. The cubic root of 51164462 is about 371.2411738956.

The spelling of 51164462 in words is "fifty-one million, one hundred sixty-four thousand, four hundred sixty-two".