54010661 has 4 divisors (see below), whose sum is σ = 55159872. Its totient is φ = 52861452.

The previous prime is 54010637. The next prime is 54010703. The reversal of 54010661 is 16601045.

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 54010661 - 2¹⁴ = 53994277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54010261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574535 + ... + 574628.

It is an arithmetic number, because the mean of its divisors is an integer number (13789968).

Almost surely, 2^54010661 is an apocalyptic number.

It is an amenable number.

54010661 is a deficient number, since it is larger than the sum of its proper divisors (1149211).

54010661 is a wasteful number, since it uses less digits than its factorization.

54010661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149210.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 54010661 is about 7349.1945817212. The cubic root of 54010661 is about 378.0011874397.

The spelling of 54010661 in words is "fifty-four million, ten thousand, six hundred sixty-one".