51057066 has 32 divisors (see below), whose sum is σ = 109324800. Its totient is φ = 15847920.

The previous prime is 51057059. The next prime is 51057091. The reversal of 51057066 is 66075015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2931 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (3416400).

Almost surely, 2^51057066 is an apocalyptic number.

51057066 is an abundant number, since it is smaller than the sum of its proper divisors (58267734).

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

51057066 is a wasteful number, since it uses less digits than its factorization.

51057066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 51057066 is about 7145.4227306717. The cubic root of 51057066 is about 370.9812425280.

The spelling of 51057066 in words is "fifty-one million, fifty-seven thousand, sixty-six".