51267770 has 8 divisors (see below), whose sum is σ = 92282004. Its totient is φ = 20507104.

The previous prime is 51267673. The next prime is 51267779. The reversal of 51267770 is 7776215.

It can be written as a sum of positive squares in 2 ways, for example, as 49801249 + 1466521 = 7057^2 + 1211^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51267770.

It is not an unprimeable number, because it can be changed into a prime (51267779) 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, 2563379 + ... + 2563398.

Almost surely, 2^51267770 is an apocalyptic number.

51267770 is a deficient number, since it is larger than the sum of its proper divisors (41014234).

51267770 is a wasteful number, since it uses less digits than its factorization.

51267770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126784.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 51267770 is about 7160.1515347093. The cubic root of 51267770 is about 371.4908680378.

The spelling of 51267770 in words is "fifty-one million, two hundred sixty-seven thousand, seven hundred seventy".