54145544 has 16 divisors (see below), whose sum is σ = 107495100. Its totient is φ = 25480192.

The previous prime is 54145537. The next prime is 54145577. The reversal of 54145544 is 44554145.

It can be written as a sum of positive squares in 2 ways, for example, as 46648900 + 7496644 = 6830^2 + 2738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54145544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198929 + ... + 199200.

Almost surely, 2^54145544 is an apocalyptic number.

It is an amenable number.

54145544 is a deficient number, since it is larger than the sum of its proper divisors (53349556).

54145544 is a wasteful number, since it uses less digits than its factorization.

54145544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398152 (or 398148 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 54145544 is about 7358.3655793933. The cubic root of 54145544 is about 378.3155917254.

Adding to 54145544 its reverse (44554145), we get a palindrome (98699689).

The spelling of 54145544 in words is "fifty-four million, one hundred forty-five thousand, five hundred forty-four".