51106366 has 4 divisors (see below), whose sum is σ = 76659552. Its totient is φ = 25553182.

The previous prime is 51106357. The next prime is 51106373. The reversal of 51106366 is 66360115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66360115 = 5 ⋅13272023.

It is a super-2 number, since 2×51106366² = 5223721291451912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776590 + ... + 12776593.

It is an arithmetic number, because the mean of its divisors is an integer number (19164888).

Almost surely, 2^51106366 is an apocalyptic number.

51106366 is a deficient number, since it is larger than the sum of its proper divisors (25553186).

51106366 is a wasteful number, since it uses less digits than its factorization.

51106366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553185.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 51106366 is about 7148.8716592201. The cubic root of 51106366 is about 371.1006089102.

It can be divided in two parts, 5110 and 6366, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 51106366 in words is "fifty-one million, one hundred six thousand, three hundred sixty-six".