51554654 has 4 divisors (see below), whose sum is σ = 77331984. Its totient is φ = 25777326.

The previous prime is 51554641. The next prime is 51554719. The reversal of 51554654 is 45645515.

51554654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12888662 + ... + 12888665.

It is an arithmetic number, because the mean of its divisors is an integer number (19332996).

Almost surely, 2^51554654 is an apocalyptic number.

51554654 is a deficient number, since it is larger than the sum of its proper divisors (25777330).

51554654 is a wasteful number, since it uses less digits than its factorization.

51554654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25777329.

The product of its digits is 60000, while the sum is 35.

The square root of 51554654 is about 7180.1569620726. The cubic root of 51554654 is about 372.1825086249.

The spelling of 51554654 in words is "fifty-one million, five hundred fifty-four thousand, six hundred fifty-four".