56154011522 has 32 divisors (see below), whose sum is σ = 97745937408. Its totient is φ = 23698222416.

The previous prime is 56154011483. The next prime is 56154011531. The reversal of 56154011522 is 22511045165.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137933 + ... + 362399.

It is an arithmetic number, because the mean of its divisors is an integer number (3054560544).

Almost surely, 2^56154011522 is an apocalyptic number.

56154011522 is a deficient number, since it is larger than the sum of its proper divisors (41591925886).

56154011522 is a wasteful number, since it uses less digits than its factorization.

56154011522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224750.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 56154011522 its reverse (22511045165), we get a palindrome (78665056687).

The spelling of 56154011522 in words is "fifty-six billion, one hundred fifty-four million, eleven thousand, five hundred twenty-two".