51041100 has 72 divisors (see below), whose sum is σ = 161114688. Its totient is φ = 12372800.

The previous prime is 51041063. The next prime is 51041113. The reversal of 51041100 is 114015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4434 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (2237704).

Almost surely, 2^51041100 is an apocalyptic number.

51041100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51041100 is an abundant number, since it is smaller than the sum of its proper divisors (110073588).

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

51041100 is a wasteful number, since it uses less digits than its factorization.

51041100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495 (or 15488 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 51041100 is about 7144.3054246022. The cubic root of 51041100 is about 370.9425687819.

Adding to 51041100 its reverse (114015), we get a palindrome (51155115).

The spelling of 51041100 in words is "fifty-one million, forty-one thousand, one hundred".