51105355 has 8 divisors (see below), whose sum is σ = 70087392. Its totient is φ = 35043648.

The previous prime is 51105347. The next prime is 51105359. The reversal of 51105355 is 55350115.

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 51105355 - 2³ = 51105347 is a prime.

It is a super-2 number, since 2×51105355² = 5223514619352050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51105359) 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, 730042 + ... + 730111.

It is an arithmetic number, because the mean of its divisors is an integer number (8760924).

Almost surely, 2^51105355 is an apocalyptic number.

51105355 is a deficient number, since it is larger than the sum of its proper divisors (18982037).

51105355 is a wasteful number, since it uses less digits than its factorization.

51105355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460165.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 51105355 is about 7148.8009484109. The cubic root of 51105355 is about 371.0981618231.

The spelling of 51105355 in words is "fifty-one million, one hundred five thousand, three hundred fifty-five".