55546971 has 4 divisors (see below), whose sum is σ = 74062632. Its totient is φ = 37031312.

The previous prime is 55546969. The next prime is 55546991. The reversal of 55546971 is 17964555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55546971 - 2¹ = 55546969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55546901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9257826 + ... + 9257831.

It is an arithmetic number, because the mean of its divisors is an integer number (18515658).

Almost surely, 2^55546971 is an apocalyptic number.

55546971 is a deficient number, since it is larger than the sum of its proper divisors (18515661).

55546971 is a wasteful number, since it uses less digits than its factorization.

55546971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18515660.

The product of its digits is 189000, while the sum is 42.

The square root of 55546971 is about 7452.9840332581. The cubic root of 55546971 is about 381.5517594460.

The spelling of 55546971 in words is "fifty-five million, five hundred forty-six thousand, nine hundred seventy-one".