51073011 has 48 divisors (see below), whose sum is σ = 84630560. Its totient is φ = 30792960.

The previous prime is 51072997. The next prime is 51073013. The reversal of 51073011 is 11037015.

It is a happy number.

It is not a de Polignac number, because 51073011 - 2¹⁷ = 50941939 is a prime.

It is a super-2 number, since 2×51073011² = 5216904905212242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51073013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264531 + ... + 264723.

Almost surely, 2^51073011 is an apocalyptic number.

51073011 is a deficient number, since it is larger than the sum of its proper divisors (33557549).

51073011 is an equidigital number, since it uses as much as digits as its factorization.

51073011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 51073011 is about 7146.5383928165. The cubic root of 51073011 is about 371.0198573611.

It can be divided in two parts, 5107 and 3011, that added together give a palindrome (8118).

The spelling of 51073011 in words is "fifty-one million, seventy-three thousand, eleven".