53520655 has 16 divisors (see below), whose sum is σ = 67264704. Its totient is φ = 40803840.

The previous prime is 53520647. The next prime is 53520667. The reversal of 53520655 is 55602535.

It is not a de Polignac number, because 53520655 - 2³ = 53520647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38065 + ... + 39445.

It is an arithmetic number, because the mean of its divisors is an integer number (4204044).

Almost surely, 2^53520655 is an apocalyptic number.

53520655 is a deficient number, since it is larger than the sum of its proper divisors (13744049).

53520655 is a wasteful number, since it uses less digits than its factorization.

53520655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 53520655 is about 7315.7812296432. The cubic root of 53520655 is about 376.8545877064.

The spelling of 53520655 in words is "fifty-three million, five hundred twenty thousand, six hundred fifty-five".