54256540 has 96 divisors (see below), whose sum is σ = 131636736. Its totient is φ = 18627840.

The previous prime is 54256529. The next prime is 54256547. The reversal of 54256540 is 4565245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54256547) 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, 257035 + ... + 257245.

It is an arithmetic number, because the mean of its divisors is an integer number (1371216).

Almost surely, 2^54256540 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 54256540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65818368).

54256540 is an abundant number, since it is smaller than the sum of its proper divisors (77380196).

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

54256540 is a wasteful number, since it uses less digits than its factorization.

54256540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 54256540 is about 7365.9038820772. The cubic root of 54256540 is about 378.5739254273.

The spelling of 54256540 in words is "fifty-four million, two hundred fifty-six thousand, five hundred forty".