55546197 has 8 divisors (see below), whose sum is σ = 84641856. Its totient is φ = 31740672.

The previous prime is 55546189. The next prime is 55546217. The reversal of 55546197 is 79164555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55546197 - 2³ = 55546189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55546147) 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, 1322508 + ... + 1322549.

It is an arithmetic number, because the mean of its divisors is an integer number (10580232).

Almost surely, 2^55546197 is an apocalyptic number.

It is an amenable number.

55546197 is a deficient number, since it is larger than the sum of its proper divisors (29095659).

55546197 is a wasteful number, since it uses less digits than its factorization.

55546197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645067.

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

The square root of 55546197 is about 7452.9321075668. The cubic root of 55546197 is about 381.5499872376.

The spelling of 55546197 in words is "fifty-five million, five hundred forty-six thousand, one hundred ninety-seven".