51106235 has 4 divisors (see below), whose sum is σ = 61327488. Its totient is φ = 40884984.

The previous prime is 51106229. The next prime is 51106241. The reversal of 51106235 is 53260115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53260115 = 5 ⋅10652023.

It is an interprime number because it is at equal distance from previous prime (51106229) and next prime (51106241).

It is a cyclic number.

It is not a de Polignac number, because 51106235 - 2⁸ = 51105979 is a prime.

It is a super-2 number, since 2×51106235² = 5223694511750450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51106235.

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, 5110619 + ... + 5110628.

It is an arithmetic number, because the mean of its divisors is an integer number (15331872).

Almost surely, 2^51106235 is an apocalyptic number.

51106235 is a deficient number, since it is larger than the sum of its proper divisors (10221253).

51106235 is a wasteful number, since it uses less digits than its factorization.

51106235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221252.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51106235 is about 7148.8624969291. The cubic root of 51106235 is about 371.1002918315.

The spelling of 51106235 in words is "fifty-one million, one hundred six thousand, two hundred thirty-five".