51554202 has 32 divisors (see below), whose sum is σ = 118113792. Its totient is φ = 14695344.

The previous prime is 51554189. The next prime is 51554207. The reversal of 51554202 is 20245515.

It is a happy number.

51554202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51554207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20793 + ... + 23139.

It is an arithmetic number, because the mean of its divisors is an integer number (3691056).

Almost surely, 2^51554202 is an apocalyptic number.

51554202 is an abundant number, since it is smaller than the sum of its proper divisors (66559590).

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

51554202 is a wasteful number, since it uses less digits than its factorization.

51554202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 51554202 is about 7180.1254863686. The cubic root of 51554202 is about 372.1814209314.

Adding to 51554202 its reverse (20245515), we get a palindrome (71799717).

The spelling of 51554202 in words is "fifty-one million, five hundred fifty-four thousand, two hundred two".