51456066 has 64 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 15552000.

The previous prime is 51456061. The next prime is 51456077. The reversal of 51456066 is 66065415.

It is not an unprimeable number, because it can be changed into a prime (51456061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472020 + ... + 472128.

It is an arithmetic number, because the mean of its divisors is an integer number (1767150).

Almost surely, 2^51456066 is an apocalyptic number.

51456066 is an abundant number, since it is smaller than the sum of its proper divisors (61641534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51456066 is a wasteful number, since it uses less digits than its factorization.

51456066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 51456066 is about 7173.2883672692. The cubic root of 51456066 is about 371.9451156166.

It can be divided in two parts, 5145 and 6066, that added together give a palindrome (11211).

The spelling of 51456066 in words is "fifty-one million, four hundred fifty-six thousand, sixty-six".