51272804 has 24 divisors (see below), whose sum is σ = 98413056. Its totient is φ = 23180000.

The previous prime is 51272803. The next prime is 51272807. The reversal of 51272804 is 40827215.

It is not an unprimeable number, because it can be changed into a prime (51272801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5354 + ... + 11454.

It is an arithmetic number, because the mean of its divisors is an integer number (4100544).

Almost surely, 2^51272804 is an apocalyptic number.

It is an amenable number.

51272804 is a deficient number, since it is larger than the sum of its proper divisors (47140252).

51272804 is a wasteful number, since it uses less digits than its factorization.

51272804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 51272804 is about 7160.5030549536. The cubic root of 51272804 is about 371.5030265787.

The spelling of 51272804 in words is "fifty-one million, two hundred seventy-two thousand, eight hundred four".