51961107 has 8 divisors (see below), whose sum is σ = 75579840. Its totient is φ = 31491560.

The previous prime is 51961099. The next prime is 51961109. The reversal of 51961107 is 70116915.

51961107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51961107 - 2³ = 51961099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51961109) 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 7 ways as a sum of consecutive naturals, for example, 787257 + ... + 787322.

It is an arithmetic number, because the mean of its divisors is an integer number (9447480).

Almost surely, 2^51961107 is an apocalyptic number.

51961107 is a deficient number, since it is larger than the sum of its proper divisors (23618733).

51961107 is a wasteful number, since it uses less digits than its factorization.

51961107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574593.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 51961107 is about 7208.4053021455. The cubic root of 51961107 is about 373.1580357048.

The spelling of 51961107 in words is "fifty-one million, nine hundred sixty-one thousand, one hundred seven".