55871694 has 20 divisors (see below), whose sum is σ = 125194344. Its totient is φ = 18623844.

The previous prime is 55871653. The next prime is 55871701. The reversal of 55871694 is 49617855.

55871694 is a `hidden beast` number, since 5 + 587 + 1 + 69 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 172282 + ... + 172605.

Almost surely, 2^55871694 is an apocalyptic number.

55871694 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55871694 is an abundant number, since it is smaller than the sum of its proper divisors (69322650).

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

55871694 is a wasteful number, since it uses less digits than its factorization.

55871694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344901 (or 344892 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 55871694 is about 7474.7370522313. The cubic root of 55871694 is about 382.2938219870.

It can be divided in two parts, 55871 and 694, that added together give a palindrome (56565).

The spelling of 55871694 in words is "fifty-five million, eight hundred seventy-one thousand, six hundred ninety-four".