53405627 has 4 divisors (see below), whose sum is σ = 58260696. Its totient is φ = 48550560.

The previous prime is 53405621. The next prime is 53405629. The reversal of 53405627 is 72650435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53405627 - 2²⁰ = 52357051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53405593 and 53405602.

It is not an unprimeable number, because it can be changed into a prime (53405621) 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, 2427518 + ... + 2427539.

It is an arithmetic number, because the mean of its divisors is an integer number (14565174).

Almost surely, 2^53405627 is an apocalyptic number.

53405627 is a deficient number, since it is larger than the sum of its proper divisors (4855069).

53405627 is a wasteful number, since it uses less digits than its factorization.

53405627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855068.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 53405627 is about 7307.9153662313. The cubic root of 53405627 is about 376.5844121257.

The spelling of 53405627 in words is "fifty-three million, four hundred five thousand, six hundred twenty-seven".