51655334 has 4 divisors (see below), whose sum is σ = 77483004. Its totient is φ = 25827666.

The previous prime is 51655321. The next prime is 51655363. The reversal of 51655334 is 43355615.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51655334.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12913832 + ... + 12913835.

It is an arithmetic number, because the mean of its divisors is an integer number (19370751).

Almost surely, 2^51655334 is an apocalyptic number.

51655334 is a deficient number, since it is larger than the sum of its proper divisors (25827670).

51655334 is a wasteful number, since it uses less digits than its factorization.

51655334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25827669.

The product of its digits is 27000, while the sum is 32.

The square root of 51655334 is about 7187.1645313016. The cubic root of 51655334 is about 372.4246268830.

The spelling of 51655334 in words is "fifty-one million, six hundred fifty-five thousand, three hundred thirty-four".