50551660 has 36 divisors (see below), whose sum is σ = 108764208. Its totient is φ = 19735968.

The previous prime is 50551639. The next prime is 50551661. The reversal of 50551660 is 6615505.

50551660 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 (50551661) 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 11 ways as a sum of consecutive naturals, for example, 36297 + ... + 37663.

It is an arithmetic number, because the mean of its divisors is an integer number (3021228).

Almost surely, 2^50551660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50551660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54382104).

50551660 is an abundant number, since it is smaller than the sum of its proper divisors (58212548).

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

50551660 is a wasteful number, since it uses less digits than its factorization.

50551660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 50551660 is about 7109.9690575979. The cubic root of 50551660 is about 369.7530858099.

The spelling of 50551660 in words is "fifty million, five hundred fifty-one thousand, six hundred sixty".