54366121 has 4 divisors (see below), whose sum is σ = 54763092. Its totient is φ = 53969152.

The previous prime is 54366113. The next prime is 54366127. The reversal of 54366121 is 12166345.

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 17338896 + 37027225 = 4164^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 54366121 - 2³ = 54366113 is a prime.

It is a super-2 number, since 2×54366121² = 5911350225173282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54366121.

It is not an unprimeable number, because it can be changed into a prime (54366127) 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, 198280 + ... + 198553.

It is an arithmetic number, because the mean of its divisors is an integer number (13690773).

Almost surely, 2^54366121 is an apocalyptic number.

It is an amenable number.

54366121 is a deficient number, since it is larger than the sum of its proper divisors (396971).

54366121 is a wasteful number, since it uses less digits than its factorization.

54366121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396970.

The product of its digits is 4320, while the sum is 28.

The square root of 54366121 is about 7373.3385247119. The cubic root of 54366121 is about 378.8286204502.

The spelling of 54366121 in words is "fifty-four million, three hundred sixty-six thousand, one hundred twenty-one".