51100545 has 8 divisors (see below), whose sum is σ = 81760896. Its totient is φ = 27253616.

The previous prime is 51100531. The next prime is 51100547. The reversal of 51100545 is 54500115.

51100545 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 51100545 - 2⁴ = 51100529 is a prime.

It is a super-2 number, since 2×51100545² = 5222531398594050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51100547) 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, 1703337 + ... + 1703366.

It is an arithmetic number, because the mean of its divisors is an integer number (10220112).

Almost surely, 2^51100545 is an apocalyptic number.

It is an amenable number.

51100545 is a deficient number, since it is larger than the sum of its proper divisors (30660351).

51100545 is a wasteful number, since it uses less digits than its factorization.

51100545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406711.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 51100545 is about 7148.4645204407. The cubic root of 51100545 is about 371.0865189586.

The spelling of 51100545 in words is "fifty-one million, one hundred thousand, five hundred forty-five".