51354065 has 16 divisors (see below), whose sum is σ = 70623360. Its totient is φ = 35116800.

The previous prime is 51354053. The next prime is 51354071. The reversal of 51354065 is 56045315.

It is not a de Polignac number, because 51354065 - 2¹⁸ = 51091921 is a prime.

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, 12206 + ... + 15864.

It is an arithmetic number, because the mean of its divisors is an integer number (4413960).

Almost surely, 2^51354065 is an apocalyptic number.

It is an amenable number.

51354065 is a deficient number, since it is larger than the sum of its proper divisors (19269295).

51354065 is a wasteful number, since it uses less digits than its factorization.

51354065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51354065 is about 7166.1750606582. The cubic root of 51354065 is about 371.6991849750.

The spelling of 51354065 in words is "fifty-one million, three hundred fifty-four thousand, sixty-five".