54639195 has 32 divisors (see below), whose sum is σ = 96704832. Its totient is φ = 26168832.

The previous prime is 54639187. The next prime is 54639203. The reversal of 54639195 is 59193645.

It is an interprime number because it is at equal distance from previous prime (54639187) and next prime (54639203).

It is not a de Polignac number, because 54639195 - 2³ = 54639187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3429 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (3022026).

Almost surely, 2^54639195 is an apocalyptic number.

54639195 is a deficient number, since it is larger than the sum of its proper divisors (42065637).

54639195 is a wasteful number, since it uses less digits than its factorization.

54639195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its digits is 145800, while the sum is 42.

The square root of 54639195 is about 7391.8329932433. The cubic root of 54639195 is about 379.4618305212.

The spelling of 54639195 in words is "fifty-four million, six hundred thirty-nine thousand, one hundred ninety-five".