53655261 has 16 divisors (see below), whose sum is σ = 78382080. Its totient is φ = 32377520.

The previous prime is 53655229. The next prime is 53655269. The reversal of 53655261 is 16255635.

It is a cyclic number.

It is not a de Polignac number, because 53655261 - 2⁵ = 53655229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53655269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4486 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^53655261 is an apocalyptic number.

It is an amenable number.

53655261 is a deficient number, since it is larger than the sum of its proper divisors (24726819).

53655261 is a wasteful number, since it uses less digits than its factorization.

53655261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056.

The product of its digits is 27000, while the sum is 33.

The square root of 53655261 is about 7324.9751535415. The cubic root of 53655261 is about 377.1702566223.

The spelling of 53655261 in words is "fifty-three million, six hundred fifty-five thousand, two hundred sixty-one".