55347966 has 36 divisors (see below), whose sum is σ = 122848128. Its totient is φ = 18009432.

The previous prime is 55347917. The next prime is 55347983. The reversal of 55347966 is 66974355.

55347966 is a `hidden beast` number, since 553 + 4 + 7 + 96 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32451 + ... + 34113.

It is an arithmetic number, because the mean of its divisors is an integer number (3412448).

Almost surely, 2^55347966 is an apocalyptic number.

55347966 is an abundant number, since it is smaller than the sum of its proper divisors (67500162).

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

55347966 is a wasteful number, since it uses less digits than its factorization.

55347966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1711 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 55347966 is about 7439.6213613328. The cubic root of 55347966 is about 381.0955595550.

The spelling of 55347966 in words is "fifty-five million, three hundred forty-seven thousand, nine hundred sixty-six".