54245550 has 24 divisors (see below), whose sum is σ = 134529336. Its totient is φ = 14465440.

The previous prime is 54245539. The next prime is 54245579. The reversal of 54245550 is 5554245.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180669 + ... + 180968.

It is an arithmetic number, because the mean of its divisors is an integer number (5605389).

Almost surely, 2^54245550 is an apocalyptic number.

54245550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54245550 is an abundant number, since it is smaller than the sum of its proper divisors (80283786).

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

54245550 is a wasteful number, since it uses less digits than its factorization.

54245550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361652 (or 361647 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 54245550 is about 7365.1578394492. The cubic root of 54245550 is about 378.5483628660.

Adding to 54245550 its reverse (5554245), we get a palindrome (59799795).

The spelling of 54245550 in words is "fifty-four million, two hundred forty-five thousand, five hundred fifty".