54495561 has 8 divisors (see below), whose sum is σ = 74624704. Its totient is φ = 35348400.

The previous prime is 54495541. The next prime is 54495583. The reversal of 54495561 is 16559445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54495561 - 2¹³ = 54487369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54495521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245365 + ... + 245586.

It is an arithmetic number, because the mean of its divisors is an integer number (9328088).

Almost surely, 2^54495561 is an apocalyptic number.

It is an amenable number.

54495561 is a deficient number, since it is larger than the sum of its proper divisors (20129143).

54495561 is a wasteful number, since it uses less digits than its factorization.

54495561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490991.

The product of its digits is 108000, while the sum is 39.

The square root of 54495561 is about 7382.1108769782. The cubic root of 54495561 is about 379.1290324896.

The spelling of 54495561 in words is "fifty-four million, four hundred ninety-five thousand, five hundred sixty-one".