54952191 has 12 divisors (see below), whose sum is σ = 90714832. Its totient is φ = 31401216.

The previous prime is 54952189. The next prime is 54952213. The reversal of 54952191 is 19125945.

54952191 is a `hidden beast` number, since 5 + 49 + 521 + 91 = 666.

It is not a de Polignac number, because 54952191 - 2¹ = 54952189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54952111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436066 + ... + 436191.

Almost surely, 2^54952191 is an apocalyptic number.

54952191 is a deficient number, since it is larger than the sum of its proper divisors (35762641).

54952191 is a wasteful number, since it uses less digits than its factorization.

54952191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872270 (or 872267 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 54952191 is about 7412.9745042054. The cubic root of 54952191 is about 380.1850230089.

The spelling of 54952191 in words is "fifty-four million, nine hundred fifty-two thousand, one hundred ninety-one".