54820481 has 4 divisors (see below), whose sum is σ = 55305732. Its totient is φ = 54335232.

The previous prime is 54820463. The next prime is 54820537. The reversal of 54820481 is 18402845.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 54523456 = 545^2 + 7384^2 .

It is a cyclic number.

It is not a de Polignac number, because 54820481 - 2⁶ = 54820417 is a prime.

It is a super-2 number, since 2×54820481² = 6010570274142722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54820981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242456 + ... + 242681.

It is an arithmetic number, because the mean of its divisors is an integer number (13826433).

Almost surely, 2^54820481 is an apocalyptic number.

It is an amenable number.

54820481 is a deficient number, since it is larger than the sum of its proper divisors (485251).

54820481 is a wasteful number, since it uses less digits than its factorization.

54820481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485250.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 54820481 is about 7404.0854263035. The cubic root of 54820481 is about 379.8810361679.

The spelling of 54820481 in words is "fifty-four million, eight hundred twenty thousand, four hundred eighty-one".