51065160 has 64 divisors (see below), whose sum is σ = 161265600. Its totient is φ = 12900096.

The previous prime is 51065137. The next prime is 51065173. The reversal of 51065160 is 6156015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51065160.

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, 8919 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (2519775).

Almost surely, 2^51065160 is an apocalyptic number.

It is an amenable number.

51065160 is an abundant number, since it is smaller than the sum of its proper divisors (110200440).

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

51065160 is a wasteful number, since it uses less digits than its factorization.

51065160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22430 (or 22426 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51065160 is about 7145.9890847944. The cubic root of 51065160 is about 371.0008451920. Note that the first 3 decimals are identical.

The spelling of 51065160 in words is "fifty-one million, sixty-five thousand, one hundred sixty".