55141638 has 16 divisors (see below), whose sum is σ = 112973616. Its totient is φ = 17932160.

The previous prime is 55141637. The next prime is 55141643. The reversal of 55141638 is 83614155.

It is a junction number, because it is equal to n+sod(n) for n = 55141599 and 55141608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55141637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111831 + ... + 112322.

It is an arithmetic number, because the mean of its divisors is an integer number (7060851).

Almost surely, 2^55141638 is an apocalyptic number.

55141638 is an abundant number, since it is smaller than the sum of its proper divisors (57831978).

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

55141638 is a wasteful number, since it uses less digits than its factorization.

55141638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224199.

The product of its digits is 14400, while the sum is 33.

The square root of 55141638 is about 7425.7415791286. The cubic root of 55141638 is about 380.6214162966.

The spelling of 55141638 in words is "fifty-five million, one hundred forty-one thousand, six hundred thirty-eight".