55754990 has 16 divisors (see below), whose sum is σ = 104722848. Its totient is φ = 21332256.

The previous prime is 55754989. The next prime is 55754999. The reversal of 55754990 is 9945755.

It is a happy number.

55754990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55754999) 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 7 ways as a sum of consecutive naturals, for example, 120977 + ... + 121436.

It is an arithmetic number, because the mean of its divisors is an integer number (6545178).

Almost surely, 2^55754990 is an apocalyptic number.

55754990 is a deficient number, since it is larger than the sum of its proper divisors (48967858).

55754990 is a wasteful number, since it uses less digits than its factorization.

55754990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242443.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 55754990 is about 7466.9264091727. The cubic root of 55754990 is about 382.0274598098.

The spelling of 55754990 in words is "fifty-five million, seven hundred fifty-four thousand, nine hundred ninety".