54455121 has 72 divisors (see below), whose sum is σ = 98760480. Its totient is φ = 28740096.

The previous prime is 54455119. The next prime is 54455123. The reversal of 54455121 is 12155445.

It is an interprime number because it is at equal distance from previous prime (54455119) and next prime (54455123).

It is not a de Polignac number, because 54455121 - 2¹ = 54455119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455123) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 561345 + ... + 561441.

Almost surely, 2^54455121 is an apocalyptic number.

It is an amenable number.

54455121 is a deficient number, since it is larger than the sum of its proper divisors (44305359).

54455121 is a wasteful number, since it uses less digits than its factorization.

54455121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 54455121 is about 7379.3713146853. The cubic root of 54455121 is about 379.0352280777.

The spelling of 54455121 in words is "fifty-four million, four hundred fifty-five thousand, one hundred twenty-one".