54780195 has 16 divisors (see below), whose sum is σ = 87840000. Its totient is φ = 29152224.

The previous prime is 54780163. The next prime is 54780197. The reversal of 54780195 is 59108745.

It is not a de Polignac number, because 54780195 - 2⁵ = 54780163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54780197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3556 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (5490000).

Almost surely, 2^54780195 is an apocalyptic number.

54780195 is a deficient number, since it is larger than the sum of its proper divisors (33059805).

54780195 is a wasteful number, since it uses less digits than its factorization.

54780195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 54780195 is about 7401.3644012439. The cubic root of 54780195 is about 379.7879588030.

The spelling of 54780195 in words is "fifty-four million, seven hundred eighty thousand, one hundred ninety-five".