51113606 has 8 divisors (see below), whose sum is σ = 79143744. Its totient is φ = 24732360.

The previous prime is 51113603. The next prime is 51113609. The reversal of 51113606 is 60631115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51113603) and next prime (51113609).

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

It is a super-2 number, since 2×51113606² = 5225201436646472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51113603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412145 + ... + 412268.

It is an arithmetic number, because the mean of its divisors is an integer number (9892968).

Almost surely, 2^51113606 is an apocalyptic number.

51113606 is a deficient number, since it is larger than the sum of its proper divisors (28030138).

51113606 is a wasteful number, since it uses less digits than its factorization.

51113606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824446.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51113606 is about 7149.3780149045. The cubic root of 51113606 is about 371.1181321123.

The spelling of 51113606 in words is "fifty-one million, one hundred thirteen thousand, six hundred six".