55867758 has 16 divisors (see below), whose sum is σ = 111928656. Its totient is φ = 18590400.

The previous prime is 55867753. The next prime is 55867781. The reversal of 55867758 is 85776855.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55867758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55867751) 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, 4141 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (6995541).

Almost surely, 2^55867758 is an apocalyptic number.

55867758 is an abundant number, since it is smaller than the sum of its proper divisors (56060898).

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

55867758 is a wasteful number, since it uses less digits than its factorization.

55867758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099.

The product of its digits is 2352000, while the sum is 51.

The square root of 55867758 is about 7474.4737607406. The cubic root of 55867758 is about 382.2848446098.

The spelling of 55867758 in words is "fifty-five million, eight hundred sixty-seven thousand, seven hundred fifty-eight".