51461198 has 16 divisors (see below), whose sum is σ = 78906960. Its totient is φ = 25162176.

The previous prime is 51461197. The next prime is 51461203. The reversal of 51461198 is 89116415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51461197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42761 + ... + 43947.

It is an arithmetic number, because the mean of its divisors is an integer number (4931685).

Almost surely, 2^51461198 is an apocalyptic number.

51461198 is a deficient number, since it is larger than the sum of its proper divisors (27445762).

51461198 is a wasteful number, since it uses less digits than its factorization.

51461198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 8640, while the sum is 35.

The square root of 51461198 is about 7173.6460743474. The cubic root of 51461198 is about 371.9574805914.

The spelling of 51461198 in words is "fifty-one million, four hundred sixty-one thousand, one hundred ninety-eight".