51652766 has 32 divisors (see below), whose sum is σ = 90139392. Its totient is φ = 21938560.

The previous prime is 51652759. The next prime is 51652771. The reversal of 51652766 is 66725615.

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 in 15 ways as a sum of consecutive naturals, for example, 62045 + ... + 62871.

It is an arithmetic number, because the mean of its divisors is an integer number (2816856).

Almost surely, 2^51652766 is an apocalyptic number.

51652766 is a deficient number, since it is larger than the sum of its proper divisors (38486626).

51652766 is a wasteful number, since it uses less digits than its factorization.

51652766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its digits is 75600, while the sum is 38.

The square root of 51652766 is about 7186.9858772645. The cubic root of 51652766 is about 372.4184551919.

The spelling of 51652766 in words is "fifty-one million, six hundred fifty-two thousand, seven hundred sixty-six".