51109006 has 8 divisors (see below), whose sum is σ = 82560744. Its totient is φ = 23588760.

The previous prime is 51108997. The next prime is 51109027. The reversal of 51109006 is 60090115.

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

It is a super-3 number, since 3×51109006³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982840 + ... + 982891.

It is an arithmetic number, because the mean of its divisors is an integer number (10320093).

Almost surely, 2^51109006 is an apocalyptic number.

51109006 is a deficient number, since it is larger than the sum of its proper divisors (31451738).

51109006 is a wasteful number, since it uses less digits than its factorization.

51109006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965746.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 51109006 is about 7149.0563013589. The cubic root of 51109006 is about 371.1069987778.

It can be divided in two parts, 5 and 1109006, that added together give a palindrome (1109011).

The spelling of 51109006 in words is "fifty-one million, one hundred nine thousand, six".