53520049 has 4 divisors (see below), whose sum is σ = 58385520. Its totient is φ = 48654580.

The previous prime is 53520031. The next prime is 53520059. The reversal of 53520049 is 94002535.

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 53520049 - 2¹¹ = 53518001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53519999 and 53520026.

It is not an unprimeable number, because it can be changed into a prime (53520059) 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, 2432719 + ... + 2432740.

It is an arithmetic number, because the mean of its divisors is an integer number (14596380).

Almost surely, 2^53520049 is an apocalyptic number.

It is an amenable number.

53520049 is a deficient number, since it is larger than the sum of its proper divisors (4865471).

53520049 is a wasteful number, since it uses less digits than its factorization.

53520049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865470.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53520049 is about 7315.7398122131. The cubic root of 53520049 is about 376.8531653600.

The spelling of 53520049 in words is "fifty-three million, five hundred twenty thousand, forty-nine".