54189270 has 64 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 14385888.

The previous prime is 54189269. The next prime is 54189277. The reversal of 54189270 is 7298145.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54189277) 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, 112891 + ... + 113369.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^54189270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54189270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

54189270 is an abundant number, since it is smaller than the sum of its proper divisors (90962730).

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

54189270 is a wasteful number, since it uses less digits than its factorization.

54189270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 54189270 is about 7361.3361558891. The cubic root of 54189270 is about 378.4174023600.

The spelling of 54189270 in words is "fifty-four million, one hundred eighty-nine thousand, two hundred seventy".