54405577 has 8 divisors (see below), whose sum is σ = 56289096. Its totient is φ = 52543872.

The previous prime is 54405563. The next prime is 54405601. The reversal of 54405577 is 77550445.

It can be written as a sum of positive squares in 4 ways, for example, as 8856576 + 45549001 = 2976^2 + 6749^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54405577 - 2¹¹ = 54403529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54405517) 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, 298 + ... + 10435.

It is an arithmetic number, because the mean of its divisors is an integer number (7036137).

Almost surely, 2^54405577 is an apocalyptic number.

It is an amenable number.

54405577 is a deficient number, since it is larger than the sum of its proper divisors (1883519).

54405577 is a wasteful number, since it uses less digits than its factorization.

54405577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 54405577 is about 7376.0136252586. The cubic root of 54405577 is about 378.9202427529.

The spelling of 54405577 in words is "fifty-four million, four hundred five thousand, five hundred seventy-seven".