54162921 has 12 divisors (see below), whose sum is σ = 74625936. Its totient is φ = 34941960.

The previous prime is 54162919. The next prime is 54162949. The reversal of 54162921 is 12926145.

It is not a de Polignac number, because 54162921 - 2¹ = 54162919 is a prime.

It is a super-2 number, since 2×54162921² = 5867244022504482, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54162971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6511 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (6218828).

Almost surely, 2^54162921 is an apocalyptic number.

It is an amenable number.

54162921 is a deficient number, since it is larger than the sum of its proper divisors (20463015).

54162921 is a wasteful number, since it uses less digits than its factorization.

54162921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18852 (or 18821 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 54162921 is about 7359.5462495999. The cubic root of 54162921 is about 378.3560585020.

The spelling of 54162921 in words is "fifty-four million, one hundred sixty-two thousand, nine hundred twenty-one".