54147340 has 96 divisors (see below), whose sum is σ = 131382720. Its totient is φ = 18579456.

The previous prime is 54147319. The next prime is 54147341. The reversal of 54147340 is 4374145.

It is a junction number, because it is equal to n+sod(n) for n = 54147299 and 54147308.

It is not an unprimeable number, because it can be changed into a prime (54147341) 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, 479124 + ... + 479236.

It is an arithmetic number, because the mean of its divisors is an integer number (1368570).

Almost surely, 2^54147340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54147340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65691360).

54147340 is an abundant number, since it is smaller than the sum of its proper divisors (77235380).

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

54147340 is a wasteful number, since it uses less digits than its factorization.

54147340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 54147340 is about 7358.4876163516. The cubic root of 54147340 is about 378.3197745706.

The spelling of 54147340 in words is "fifty-four million, one hundred forty-seven thousand, three hundred forty".