51546066 has 32 divisors (see below), whose sum is σ = 121117248. Its totient is φ = 14418240.

The previous prime is 51546043. The next prime is 51546101. The reversal of 51546066 is 66064515.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29181 + ... + 30896.

It is an arithmetic number, because the mean of its divisors is an integer number (3784914).

Almost surely, 2^51546066 is an apocalyptic number.

51546066 is an abundant number, since it is smaller than the sum of its proper divisors (69571182).

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

51546066 is a wasteful number, since it uses less digits than its factorization.

51546066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60106.

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

The square root of 51546066 is about 7179.5589000996. The cubic root of 51546066 is about 372.1618413612.

The spelling of 51546066 in words is "fifty-one million, five hundred forty-six thousand, sixty-six".