53557695 has 48 divisors (see below), whose sum is σ = 95752800. Its totient is φ = 27682560.

The previous prime is 53557681. The next prime is 53557697. The reversal of 53557695 is 59675535.

53557695 is a `hidden beast` number, since 5 + 3 + 557 + 6 + 95 = 666.

It is not a de Polignac number, because 53557695 - 2⁹ = 53557183 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53557695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53557697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299116 + ... + 299294.

It is an arithmetic number, because the mean of its divisors is an integer number (1994850).

Almost surely, 2^53557695 is an apocalyptic number.

53557695 is a deficient number, since it is larger than the sum of its proper divisors (42195105).

53557695 is a wasteful number, since it uses less digits than its factorization.

53557695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 357 counting only the distinct ones).

The product of its digits is 708750, while the sum is 45.

The square root of 53557695 is about 7318.3123054431. The cubic root of 53557695 is about 376.9415041504.

The spelling of 53557695 in words is "fifty-three million, five hundred fifty-seven thousand, six hundred ninety-five".