55859706 has 120 divisors (see below), whose sum is σ = 150961536. Its totient is φ = 15377040.

The previous prime is 55859651. The next prime is 55859719. The reversal of 55859706 is 60795855.

55859706 is a `hidden beast` number, since 5 + 58 + 597 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 245965 + ... + 246191.

Almost surely, 2^55859706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55859706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75480768).

55859706 is an abundant number, since it is smaller than the sum of its proper divisors (95101830).

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

55859706 is a wasteful number, since it uses less digits than its factorization.

55859706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 55859706 is about 7473.9351080940. The cubic root of 55859706 is about 382.2664779909.

It can be divided in two parts, 55859 and 706, that added together give a palindrome (56565).

The spelling of 55859706 in words is "fifty-five million, eight hundred fifty-nine thousand, seven hundred six".