55841538 has 16 divisors (see below), whose sum is σ = 112089600. Its totient is φ = 18546096.

The previous prime is 55841531. The next prime is 55841543. The reversal of 55841538 is 83514855.

It is a junction number, because it is equal to n+sod(n) for n = 55841496 and 55841505.

It is not an unprimeable number, because it can be changed into a prime (55841531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15138 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (7005600).

Almost surely, 2^55841538 is an apocalyptic number.

55841538 is an abundant number, since it is smaller than the sum of its proper divisors (56248062).

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

55841538 is a wasteful number, since it uses less digits than its factorization.

55841538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33881.

The product of its digits is 96000, while the sum is 39.

The square root of 55841538 is about 7472.7195852648. The cubic root of 55841538 is about 382.2250302823.

The spelling of 55841538 in words is "fifty-five million, eight hundred forty-one thousand, five hundred thirty-eight".