51121066 has 16 divisors (see below), whose sum is σ = 79358400. Its totient is φ = 24681888.

The previous prime is 51121061. The next prime is 51121073. The reversal of 51121066 is 66012115.

It is a super-2 number, since 2×51121066² = 5226726777952712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51121061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4315 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (4959900).

Almost surely, 2^51121066 is an apocalyptic number.

51121066 is a deficient number, since it is larger than the sum of its proper divisors (28237334).

51121066 is a wasteful number, since it uses less digits than its factorization.

51121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51121066 is about 7149.8997195765. The cubic root of 51121066 is about 371.1361860566.

The spelling of 51121066 in words is "fifty-one million, one hundred twenty-one thousand, sixty-six".