51176478 has 8 divisors (see below), whose sum is σ = 102352968. Its totient is φ = 17058824.

The previous prime is 51176473. The next prime is 51176479. The reversal of 51176478 is 87467115.

It is a sphenic number, since it is the product of 3 distinct primes.

51176478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51176471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264701 + ... + 4264712.

It is an arithmetic number, because the mean of its divisors is an integer number (12794121).

Almost surely, 2^51176478 is an apocalyptic number.

51176478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51176478 is a wasteful number, since it uses less digits than its factorization.

51176478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529418.

The product of its digits is 47040, while the sum is 39.

The square root of 51176478 is about 7153.7736894593. The cubic root of 51176478 is about 371.2702336805.

The spelling of 51176478 in words is "fifty-one million, one hundred seventy-six thousand, four hundred seventy-eight".