54454140 has 96 divisors (see below), whose sum is σ = 182468160. Its totient is φ = 13402368.

The previous prime is 54454117. The next prime is 54454163. The reversal of 54454140 is 4145445.

It is an interprime number because it is at equal distance from previous prime (54454117) and next prime (54454163).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3142 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (1900710).

Almost surely, 2^54454140 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 54454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91234080).

54454140 is an abundant number, since it is smaller than the sum of its proper divisors (128014020).

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

54454140 is a wasteful number, since it uses less digits than its factorization.

54454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 54454140 is about 7379.3048453089. The cubic root of 54454140 is about 379.0329519784.

Adding to 54454140 its reverse (4145445), we get a palindrome (58599585).

The spelling of 54454140 in words is "fifty-four million, four hundred fifty-four thousand, one hundred forty".