53553407 has 4 divisors (see below), whose sum is σ = 55881840. Its totient is φ = 51224976.

The previous prime is 53553377. The next prime is 53553413. The reversal of 53553407 is 70435535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70435535 = 5 ⋅14087107.

It is a cyclic number.

It is not a de Polignac number, because 53553407 - 2¹⁰ = 53552383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553497) 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, 1164182 + ... + 1164227.

It is an arithmetic number, because the mean of its divisors is an integer number (13970460).

Almost surely, 2^53553407 is an apocalyptic number.

53553407 is a deficient number, since it is larger than the sum of its proper divisors (2328433).

53553407 is a wasteful number, since it uses less digits than its factorization.

53553407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328432.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53553407 is about 7318.0193358586. The cubic root of 53553407 is about 376.9314441686.

The spelling of 53553407 in words is "fifty-three million, five hundred fifty-three thousand, four hundred seven".