51878926 has 8 divisors (see below), whose sum is σ = 84892824. Its totient is φ = 23581320.

The previous prime is 51878887. The next prime is 51878933. The reversal of 51878926 is 62987815.

51878926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 1179045 + ... + 1179088.

It is an arithmetic number, because the mean of its divisors is an integer number (10611603).

Almost surely, 2^51878926 is an apocalyptic number.

51878926 is a deficient number, since it is larger than the sum of its proper divisors (33013898).

51878926 is a wasteful number, since it uses less digits than its factorization.

51878926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358146.

The product of its digits is 241920, while the sum is 46.

The square root of 51878926 is about 7202.7026871862. The cubic root of 51878926 is about 372.9612046275.

Subtracting 51878926 from its reverse (62987815), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 518789 and 26, that added together give a palindrome (518815).

The spelling of 51878926 in words is "fifty-one million, eight hundred seventy-eight thousand, nine hundred twenty-six".