51403100 has 36 divisors (see below), whose sum is σ = 127481424. Its totient is φ = 17623680.

The previous prime is 51403097. The next prime is 51403111. The reversal of 51403100 is 130415.

It is a super-2 number, since 2×51403100² = 5284557379220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 36017 + ... + 37416.

Almost surely, 2^51403100 is an apocalyptic number.

51403100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51403100 is an abundant number, since it is smaller than the sum of its proper divisors (76078324).

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

51403100 is a wasteful number, since it uses less digits than its factorization.

51403100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73454 (or 73447 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51403100 is about 7169.5955255509. The cubic root of 51403100 is about 371.8174519615.

Adding to 51403100 its reverse (130415), we get a palindrome (51533515).

The spelling of 51403100 in words is "fifty-one million, four hundred three thousand, one hundred".