54545456 has 20 divisors (see below), whose sum is σ = 120779472. Its totient is φ = 23376576.

The previous prime is 54545419. The next prime is 54545459. The reversal of 54545456 is 65454545.

54545456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54545459) 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, 243395 + ... + 243618.

Almost surely, 2^54545456 is an apocalyptic number.

54545456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54545456 is an abundant number, since it is smaller than the sum of its proper divisors (66234016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54545456 is a wasteful number, since it uses less digits than its factorization.

54545456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487028 (or 487022 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 54545456 is about 7385.4895572332. The cubic root of 54545456 is about 379.2447047415.

The spelling of 54545456 in words is "fifty-four million, five hundred forty-five thousand, four hundred fifty-six".