55381936 has 40 divisors (see below), whose sum is σ = 111024144. Its totient is φ = 26745600.

The previous prime is 55381901. The next prime is 55381951. The reversal of 55381936 is 63918355.

55381936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 69090 + ... + 69886.

Almost surely, 2^55381936 is an apocalyptic number.

It is an amenable number.

55381936 is an abundant number, since it is smaller than the sum of its proper divisors (55642208).

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

55381936 is a wasteful number, since it uses less digits than its factorization.

55381936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 943 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 55381936 is about 7441.9040574305. The cubic root of 55381936 is about 381.1735098362.

The spelling of 55381936 in words is "fifty-five million, three hundred eighty-one thousand, nine hundred thirty-six".