51554156 has 6 divisors (see below), whose sum is σ = 90219780. Its totient is φ = 25777076.

The previous prime is 51554131. The next prime is 51554161. The reversal of 51554156 is 65145515.

51554156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6444266 + ... + 6444273.

It is an arithmetic number, because the mean of its divisors is an integer number (15036630).

Almost surely, 2^51554156 is an apocalyptic number.

It is an amenable number.

51554156 is a deficient number, since it is larger than the sum of its proper divisors (38665624).

51554156 is a wasteful number, since it uses less digits than its factorization.

51554156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888543 (or 12888541 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 51554156 is about 7180.1222830813. The cubic root of 51554156 is about 372.1813102365.

The spelling of 51554156 in words is "fifty-one million, five hundred fifty-four thousand, one hundred fifty-six".