51106555 has 8 divisors (see below), whose sum is σ = 63442800. Its totient is φ = 39475296.

The previous prime is 51106543. The next prime is 51106571. The reversal of 51106555 is 55560115.

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 51106555 - 2⁷ = 51106427 is a prime.

It is a super-2 number, since 2×51106555² = 5223759927936050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176085 + ... + 176374.

It is an arithmetic number, because the mean of its divisors is an integer number (7930350).

Almost surely, 2^51106555 is an apocalyptic number.

51106555 is a deficient number, since it is larger than the sum of its proper divisors (12336245).

51106555 is a wasteful number, since it uses less digits than its factorization.

51106555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352493.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 51106555 is about 7148.8848780771. The cubic root of 51106555 is about 371.1010663739.

The spelling of 51106555 in words is "fifty-one million, one hundred six thousand, five hundred fifty-five".