55948187 has 4 divisors (see below), whose sum is σ = 56059920. Its totient is φ = 55836456.

The previous prime is 55948171. The next prime is 55948201. The reversal of 55948187 is 78184955.

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 55948187 - 2⁴ = 55948171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55948147) 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, 55112 + ... + 56117.

It is an arithmetic number, because the mean of its divisors is an integer number (14014980).

Almost surely, 2^55948187 is an apocalyptic number.

55948187 is a deficient number, since it is larger than the sum of its proper divisors (111733).

55948187 is a wasteful number, since it uses less digits than its factorization.

55948187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111732.

The product of its digits is 403200, while the sum is 47.

The square root of 55948187 is about 7479.8520707297. The cubic root of 55948187 is about 382.4682064507.

The spelling of 55948187 in words is "fifty-five million, nine hundred forty-eight thousand, one hundred eighty-seven".