51453100 has 18 divisors (see below), whose sum is σ = 111653444. Its totient is φ = 20581200.

The previous prime is 51453097. The next prime is 51453107. The reversal of 51453100 is 135415.

It is a super-2 number, since 2×51453100² = 5294842999220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51453107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257166 + ... + 257365.

Almost surely, 2^51453100 is an apocalyptic number.

51453100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51453100 is an abundant number, since it is smaller than the sum of its proper divisors (60200344).

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

51453100 is a wasteful number, since it uses less digits than its factorization.

51453100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514545 (or 514538 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51453100 is about 7173.0816250758. The cubic root of 51453100 is about 371.9379689994.

Adding to 51453100 its reverse (135415), we get a palindrome (51588515).

The spelling of 51453100 in words is "fifty-one million, four hundred fifty-three thousand, one hundred".