55859481 has 12 divisors (see below), whose sum is σ = 83468580. Its totient is φ = 35955360.

The previous prime is 55859473. The next prime is 55859519. The reversal of 55859481 is 18495855.

It is a happy number.

55859481 is a `hidden beast` number, since 5 + 58 + 594 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 37711881 = 4260^2 + 6141^2 .

It is not a de Polignac number, because 55859481 - 2³ = 55859473 is a prime.

It is a super-2 number, since 2×55859481² = 6240563235178722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55859431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106750 + ... + 107271.

It is an arithmetic number, because the mean of its divisors is an integer number (6955715).

Almost surely, 2^55859481 is an apocalyptic number.

It is an amenable number.

55859481 is a deficient number, since it is larger than the sum of its proper divisors (27609099).

55859481 is a wasteful number, since it uses less digits than its factorization.

55859481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214056 (or 214053 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The square root of 55859481 is about 7473.9200557673. The cubic root of 55859481 is about 382.2659647403.

The spelling of 55859481 in words is "fifty-five million, eight hundred fifty-nine thousand, four hundred eighty-one".