56215377153 has 24 divisors (see below), whose sum is σ = 90266991360. Its totient is φ = 33478138080.

The previous prime is 56215377143. The next prime is 56215377209. The reversal of 56215377153 is 35177351265.

56215377153 is a `hidden beast` number, since 5 + 62 + 1 + 537 + 7 + 1 + 53 = 666.

It is not a de Polignac number, because 56215377153 - 2⁶ = 56215377089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56215377099 and 56215377108.

It is not an unprimeable number, because it can be changed into a prime (56215377143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7745943 + ... + 7753196.

It is an arithmetic number, because the mean of its divisors is an integer number (3761124640).

Almost surely, 2^56215377153 is an apocalyptic number.

It is an amenable number.

56215377153 is a deficient number, since it is larger than the sum of its proper divisors (34051614207).

56215377153 is a wasteful number, since it uses less digits than its factorization.

56215377153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15499189 (or 15499186 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The spelling of 56215377153 in words is "fifty-six billion, two hundred fifteen million, three hundred seventy-seven thousand, one hundred fifty-three".