54425242 has 4 divisors (see below), whose sum is σ = 81637866. Its totient is φ = 27212620.

The previous prime is 54425227. The next prime is 54425249. The reversal of 54425242 is 24252445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 12680721 = 6461^2 + 3561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54425242.

It is not an unprimeable number, because it can be changed into a prime (54425249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606309 + ... + 13606312.

Almost surely, 2^54425242 is an apocalyptic number.

54425242 is a deficient number, since it is larger than the sum of its proper divisors (27212624).

54425242 is a wasteful number, since it uses less digits than its factorization.

54425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27212623.

The product of its digits is 12800, while the sum is 28.

The square root of 54425242 is about 7377.3465419485. The cubic root of 54425242 is about 378.9658910692.

Adding to 54425242 its reverse (24252445), we get a palindrome (78677687).

The spelling of 54425242 in words is "fifty-four million, four hundred twenty-five thousand, two hundred forty-two".