51426100 has 36 divisors (see below), whose sum is σ = 121742208. Its totient is φ = 18700000.

The previous prime is 51426083. The next prime is 51426113. The reversal of 51426100 is 162415.

It is a super-2 number, since 2×51426100² = 5289287522420000, which contains 22 as substring.

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, 22276 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (3381728).

Almost surely, 2^51426100 is an apocalyptic number.

51426100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51426100 is an abundant number, since it is smaller than the sum of its proper divisors (70316108).

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

51426100 is a wasteful number, since it uses less digits than its factorization.

51426100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46776 (or 46769 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51426100 is about 7171.1993418117. The cubic root of 51426100 is about 371.8728995009.

Adding to 51426100 its reverse (162415), we get a palindrome (51588515).

The spelling of 51426100 in words is "fifty-one million, four hundred twenty-six thousand, one hundred".