51378076 has 6 divisors (see below), whose sum is σ = 89911640. Its totient is φ = 25689036.

The previous prime is 51378023. The next prime is 51378101. The reversal of 51378076 is 67087315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422256 + ... + 6422263.

Almost surely, 2^51378076 is an apocalyptic number.

It is an amenable number.

51378076 is a deficient number, since it is larger than the sum of its proper divisors (38533564).

51378076 is a wasteful number, since it uses less digits than its factorization.

51378076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844523 (or 12844521 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 51378076 is about 7167.8501658447. The cubic root of 51378076 is about 371.7571062485.

The spelling of 51378076 in words is "fifty-one million, three hundred seventy-eight thousand, seventy-six".