54180522 has 64 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 16099200.

The previous prime is 54180517. The next prime is 54180523. The reversal of 54180522 is 22508145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54180523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30622 + ... + 32342.

It is an arithmetic number, because the mean of its divisors is an integer number (2092230).

Almost surely, 2^54180522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54180522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66951360).

54180522 is an abundant number, since it is smaller than the sum of its proper divisors (79722198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54180522 is a wasteful number, since it uses less digits than its factorization.

54180522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54180522 is about 7360.7419462986. The cubic root of 54180522 is about 378.3970380973.

Adding to 54180522 its reverse (22508145), we get a palindrome (76688667).

The spelling of 54180522 in words is "fifty-four million, one hundred eighty thousand, five hundred twenty-two".