51670611 has 12 divisors (see below), whose sum is σ = 76652992. Its totient is φ = 33515856.

The previous prime is 51670603. The next prime is 51670631. The reversal of 51670611 is 11607615.

51670611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51670611 - 2³ = 51670603 is a prime.

It is a super-2 number, since 2×51670611² = 5339704082226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51670631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77251 + ... + 77916.

Almost surely, 2^51670611 is an apocalyptic number.

51670611 is a deficient number, since it is larger than the sum of its proper divisors (24982381).

51670611 is a wasteful number, since it uses less digits than its factorization.

51670611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155210 (or 155207 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 51670611 is about 7188.2272501640. The cubic root of 51670611 is about 372.4613379690.

The spelling of 51670611 in words is "fifty-one million, six hundred seventy thousand, six hundred eleven".