54780181 has 8 divisors (see below), whose sum is σ = 57263040. Its totient is φ = 52305792.

The previous prime is 54780163. The next prime is 54780197. The reversal of 54780181 is 18108745.

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

It is a cyclic number.

It is not a de Polignac number, because 54780181 - 2¹³ = 54771989 is a prime.

It is a super-2 number, since 2×54780181² = 6001736460785522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54784181) 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, 13710 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (7157880).

Almost surely, 2^54780181 is an apocalyptic number.

It is an amenable number.

54780181 is a deficient number, since it is larger than the sum of its proper divisors (2482859).

54780181 is a wasteful number, since it uses less digits than its factorization.

54780181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 54780181 is about 7401.3634554722. The cubic root of 54780181 is about 379.7879264493.

The spelling of 54780181 in words is "fifty-four million, seven hundred eighty thousand, one hundred eighty-one".