53690364225 has 72 divisors (see below), whose sum is σ = 100866579840. Its totient is φ = 27267960960.

The previous prime is 53690364209. The next prime is 53690364263. The reversal of 53690364225 is 52246309635.

53690364225 is a `hidden beast` number, since 5 + 3 + 69 + 0 + 364 + 225 = 666.

It is not a de Polignac number, because 53690364225 - 2⁴ = 53690364209 is a prime.

It is a super-2 number, since 2×53690364225² (a number of 22 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 322666 + ... + 459884.

It is an arithmetic number, because the mean of its divisors is an integer number (1400924720).

Almost surely, 2^53690364225 is an apocalyptic number.

It is an amenable number.

53690364225 is a deficient number, since it is larger than the sum of its proper divisors (47176215615).

53690364225 is a wasteful number, since it uses less digits than its factorization.

53690364225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137319 (or 137311 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 53690364225 in words is "fifty-three billion, six hundred ninety million, three hundred sixty-four thousand, two hundred twenty-five".