55816695 has 120 divisors (see below), whose sum is σ = 118186992. Its totient is φ = 25090560.

The previous prime is 55816687. The next prime is 55816723. The reversal of 55816695 is 59661855.

It is a happy number.

55816695 is a `hidden beast` number, since 5 + 581 + 6 + 69 + 5 = 666.

It is not a de Polignac number, because 55816695 - 2³ = 55816687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55816695.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 833052 + ... + 833118.

Almost surely, 2^55816695 is an apocalyptic number.

55816695 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55816695 is an abundant number, since it is smaller than the sum of its proper divisors (62370297).

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

55816695 is a wasteful number, since it uses less digits than its factorization.

55816695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 103 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 55816695 is about 7471.0571541115. The cubic root of 55816695 is about 382.1683399566.

The spelling of 55816695 in words is "fifty-five million, eight hundred sixteen thousand, six hundred ninety-five".