56356154505 has 96 divisors (see below), whose sum is σ = 119170621440. Its totient is φ = 24062935680.

The previous prime is 56356154497. The next prime is 56356154513. The reversal of 56356154505 is 50545165365.

56356154505 is a `hidden beast` number, since 5 + 6 + 35 + 61 + 54 + 505 = 666.

56356154505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56356154497) and next prime (56356154513).

It is not a de Polignac number, because 56356154505 - 2³ = 56356154497 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 358624 + ... + 491246.

It is an arithmetic number, because the mean of its divisors is an integer number (1241360640).

Almost surely, 2^56356154505 is an apocalyptic number.

It is an amenable number.

56356154505 is an abundant number, since it is smaller than the sum of its proper divisors (62814466935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56356154505 is a wasteful number, since it uses less digits than its factorization.

56356154505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132731 (or 132728 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 56356154505 in words is "fifty-six billion, three hundred fifty-six million, one hundred fifty-four thousand, five hundred five".