54403542 has 64 divisors (see below), whose sum is σ = 126202560. Its totient is φ = 17356032.

The previous prime is 54403529. The next prime is 54403571. The reversal of 54403542 is 24530445.

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, 145668 + ... + 146040.

It is an arithmetic number, because the mean of its divisors is an integer number (1971915).

Almost surely, 2^54403542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54403542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63101280).

54403542 is an abundant number, since it is smaller than the sum of its proper divisors (71799018).

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

54403542 is a wasteful number, since it uses less digits than its factorization.

54403542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 54403542 is about 7375.8756768264. The cubic root of 54403542 is about 378.9155182844.

Adding to 54403542 its reverse (24530445), we get a palindrome (78933987).

It can be divided in two parts, 54403 and 542, that added together give a palindrome (54945).

The spelling of 54403542 in words is "fifty-four million, four hundred three thousand, five hundred forty-two".