51626782 has 4 divisors (see below), whose sum is σ = 77440176. Its totient is φ = 25813390.

The previous prime is 51626767. The next prime is 51626797. The reversal of 51626782 is 28762615.

It is a happy number.

51626782 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 an interprime number because it is at equal distance from previous prime (51626767) and next prime (51626797).

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, 12906694 + ... + 12906697.

It is an arithmetic number, because the mean of its divisors is an integer number (19360044).

Almost surely, 2^51626782 is an apocalyptic number.

51626782 is a deficient number, since it is larger than the sum of its proper divisors (25813394).

51626782 is a wasteful number, since it uses less digits than its factorization.

51626782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813393.

The product of its digits is 40320, while the sum is 37.

The square root of 51626782 is about 7185.1779379498. The cubic root of 51626782 is about 372.3559961666.

The spelling of 51626782 in words is "fifty-one million, six hundred twenty-six thousand, seven hundred eighty-two".