55859356 has 12 divisors (see below), whose sum is σ = 111718768. Its totient is φ = 23939712.

The previous prime is 55859311. The next prime is 55859357. The reversal of 55859356 is 65395855.

55859356 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55859357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997461 + ... + 997516.

Almost surely, 2^55859356 is an apocalyptic number.

It is an amenable number.

55859356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55859356 is a wasteful number, since it uses less digits than its factorization.

55859356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994988 (or 1994986 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 55859356 is about 7473.9116933504. The cubic root of 55859356 is about 382.2656796005.

It can be divided in two parts, 5585 and 9356, that added together give a palindrome (14941).

The spelling of 55859356 in words is "fifty-five million, eight hundred fifty-nine thousand, three hundred fifty-six".