51040654 has 24 divisors (see below), whose sum is σ = 91240128. Its totient is φ = 21339360.

The previous prime is 51040607. The next prime is 51040727. The reversal of 51040654 is 45604015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2334 + ... + 10369.

It is an arithmetic number, because the mean of its divisors is an integer number (3801672).

Almost surely, 2^51040654 is an apocalyptic number.

51040654 is a deficient number, since it is larger than the sum of its proper divisors (40199474).

51040654 is a wasteful number, since it uses less digits than its factorization.

51040654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12753 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 51040654 is about 7144.2742108629. The cubic root of 51040654 is about 370.9414883398.

Adding to 51040654 its reverse (45604015), we get a palindrome (96644669).

The spelling of 51040654 in words is "fifty-one million, forty thousand, six hundred fifty-four".