54907409 has 4 divisors (see below), whose sum is σ = 54929520. Its totient is φ = 54885300.

The previous prime is 54907379. The next prime is 54907423. The reversal of 54907409 is 90470945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54907409 - 2¹⁶ = 54841873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54907439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6779 + ... + 12480.

It is an arithmetic number, because the mean of its divisors is an integer number (13732380).

Almost surely, 2^54907409 is an apocalyptic number.

It is an amenable number.

54907409 is a deficient number, since it is larger than the sum of its proper divisors (22111).

54907409 is a wasteful number, since it uses less digits than its factorization.

54907409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 54907409 is about 7409.9533736725. The cubic root of 54907409 is about 380.0817206515.

The spelling of 54907409 in words is "fifty-four million, nine hundred seven thousand, four hundred nine".