54293520 has 80 divisors (see below), whose sum is σ = 172256832. Its totient is φ = 14138880.

The previous prime is 54293509. The next prime is 54293527. The reversal of 54293520 is 2539245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54293527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7690 + ... + 12950.

Almost surely, 2^54293520 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 54293520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86128416).

54293520 is an abundant number, since it is smaller than the sum of its proper divisors (117963312).

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

54293520 is a wasteful number, since it uses less digits than its factorization.

54293520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54293520 is about 7368.4136691692. The cubic root of 54293520 is about 378.6599149648.

The spelling of 54293520 in words is "fifty-four million, two hundred ninety-three thousand, five hundred twenty".