54554409 has 48 divisors (see below), whose sum is σ = 98716800. Its totient is φ = 28263168.

The previous prime is 54554407. The next prime is 54554471. The reversal of 54554409 is 90445545.

It is not a de Polignac number, because 54554409 - 2¹ = 54554407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54554407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47757 + ... + 48885.

It is an arithmetic number, because the mean of its divisors is an integer number (2056600).

Almost surely, 2^54554409 is an apocalyptic number.

54554409 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

54554409 is a deficient number, since it is larger than the sum of its proper divisors (44162391).

54554409 is a wasteful number, since it uses less digits than its factorization.

54554409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54554409 is about 7386.0956533205. The cubic root of 54554409 is about 379.2654531370.

The spelling of 54554409 in words is "fifty-four million, five hundred fifty-four thousand, four hundred nine".