54153405 has 18 divisors (see below), whose sum is σ = 93951546. Its totient is φ = 28855488.

The previous prime is 54153403. The next prime is 54153413. The reversal of 54153405 is 50435145.

It can be written as a sum of positive squares in 3 ways, for example, as 527076 + 53626329 = 726^2 + 7323^2 .

It is not a de Polignac number, because 54153405 - 2¹ = 54153403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54153403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48817 + ... + 49913.

Almost surely, 2^54153405 is an apocalyptic number.

It is an amenable number.

54153405 is a deficient number, since it is larger than the sum of its proper divisors (39798141).

54153405 is an equidigital number, since it uses as much as digits as its factorization.

54153405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 54153405 is about 7358.8997139518. The cubic root of 54153405 is about 378.3338991412. Note that the first 3 decimals are identical.

The spelling of 54153405 in words is "fifty-four million, one hundred fifty-three thousand, four hundred five".