54664261 has 4 divisors (see below), whose sum is σ = 57040992. Its totient is φ = 52287532.

The previous prime is 54664201. The next prime is 54664279. The reversal of 54664261 is 16246645.

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 54664261 - 2¹⁷ = 54533189 is a prime.

It is a super-2 number, since 2×54664261² = 5976362861352242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54664201) 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, 1188331 + ... + 1188376.

It is an arithmetic number, because the mean of its divisors is an integer number (14260248).

Almost surely, 2^54664261 is an apocalyptic number.

It is an amenable number.

54664261 is a deficient number, since it is larger than the sum of its proper divisors (2376731).

54664261 is a wasteful number, since it uses less digits than its factorization.

54664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376730.

The product of its digits is 34560, while the sum is 34.

The square root of 54664261 is about 7393.5283187393. The cubic root of 54664261 is about 379.5198483118.

The spelling of 54664261 in words is "fifty-four million, six hundred sixty-four thousand, two hundred sixty-one".