54442505 has 24 divisors (see below), whose sum is σ = 74488320. Its totient is φ = 38076480.

The previous prime is 54442499. The next prime is 54442513. The reversal of 54442505 is 50524445.

54442505 = 883² + 884² + ... + 947².

It is not a de Polignac number, because 54442505 - 2⁸ = 54442249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14360 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (3103680).

Almost surely, 2^54442505 is an apocalyptic number.

It is an amenable number.

54442505 is a deficient number, since it is larger than the sum of its proper divisors (20045815).

54442505 is a wasteful number, since it uses less digits than its factorization.

54442505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 54442505 is about 7378.5164498021. The cubic root of 54442505 is about 379.0059545666.

The spelling of 54442505 in words is "fifty-four million, four hundred forty-two thousand, five hundred five".