51106050 has 54 divisors (see below), whose sum is σ = 137713563. Its totient is φ = 13587840.

The previous prime is 51106039. The next prime is 51106051. The reversal of 51106050 is 5060115.

51106050 is a `hidden beast` number, since 51 + 10 + 605 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 7901721 + 43204329 = 2811^2 + 6573^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5055.

It is a super-2 number, since 2×51106050² = 5223656693205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51106051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 151482 + ... + 151818.

Almost surely, 2^51106050 is an apocalyptic number.

51106050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51106050

51106050 is an abundant number, since it is smaller than the sum of its proper divisors (86607513).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51106050 is a wasteful number, since it uses less digits than its factorization.

51106050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51106050 is about 7148.8495577960. The cubic root of 51106050 is about 371.0998440477.

Multiplying 51106050 by its sum of digits (18), we get a square (919908900 = 30330²).

51106050 divided by its sum of digits (18) gives a square (2839225 = 1685²).

Adding to 51106050 its reverse (5060115), we get a palindrome (56166165).

The spelling of 51106050 in words is "fifty-one million, one hundred six thousand, fifty".