54200661 has 4 divisors (see below), whose sum is σ = 72267552. Its totient is φ = 36133772.

The previous prime is 54200651. The next prime is 54200717. The reversal of 54200661 is 16600245.

54200661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54200661 - 2⁹ = 54200149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54200611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9033441 + ... + 9033446.

It is an arithmetic number, because the mean of its divisors is an integer number (18066888).

Almost surely, 2^54200661 is an apocalyptic number.

It is an amenable number.

54200661 is a deficient number, since it is larger than the sum of its proper divisors (18066891).

54200661 is a wasteful number, since it uses less digits than its factorization.

54200661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066890.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 54200661 is about 7362.1098198818. The cubic root of 54200661 is about 378.4439159154.

The spelling of 54200661 in words is "fifty-four million, two hundred thousand, six hundred sixty-one".