53554147 has 4 divisors (see below), whose sum is σ = 53681776. Its totient is φ = 53426520.

The previous prime is 53554117. The next prime is 53554181. The reversal of 53554147 is 74145535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74145535 = 5 ⋅14829107.

It is a cyclic number.

It is not a de Polignac number, because 53554147 - 2²³ = 45165539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53554117) 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, 63183 + ... + 64024.

It is an arithmetic number, because the mean of its divisors is an integer number (13420444).

Almost surely, 2^53554147 is an apocalyptic number.

53554147 is a deficient number, since it is larger than the sum of its proper divisors (127629).

53554147 is a wasteful number, since it uses less digits than its factorization.

53554147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127628.

The product of its digits is 42000, while the sum is 34.

The square root of 53554147 is about 7318.0698958127. The cubic root of 53554147 is about 376.9331803046.

The spelling of 53554147 in words is "fifty-three million, five hundred fifty-four thousand, one hundred forty-seven".