54780171 has 8 divisors (see below), whose sum is σ = 77336784. Its totient is φ = 34371840.

The previous prime is 54780163. The next prime is 54780197. The reversal of 54780171 is 17108745.

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

It is not a de Polignac number, because 54780171 - 2³ = 54780163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54780371) 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, 537010 + ... + 537111.

It is an arithmetic number, because the mean of its divisors is an integer number (9667098).

Almost surely, 2^54780171 is an apocalyptic number.

54780171 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54780171 is a deficient number, since it is larger than the sum of its proper divisors (22556613).

54780171 is a wasteful number, since it uses less digits than its factorization.

54780171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074141.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 54780171 is about 7401.3627799210. The cubic root of 54780171 is about 379.7879033394.

The spelling of 54780171 in words is "fifty-four million, seven hundred eighty thousand, one hundred seventy-one".