56634502550 has 24 divisors (see below), whose sum is σ = 106823845872. Its totient is φ = 22334732000.

The previous prime is 56634502543. The next prime is 56634502553. The reversal of 56634502550 is 5520543665.

It is a junction number, because it is equal to n+sod(n) for n = 56634502498 and 56634502507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56634502553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7973141 + ... + 7980240.

It is an arithmetic number, because the mean of its divisors is an integer number (4450993578).

Almost surely, 2^56634502550 is an apocalyptic number.

56634502550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56634502550 is a deficient number, since it is larger than the sum of its proper divisors (50189343322).

56634502550 is a wasteful number, since it uses less digits than its factorization.

56634502550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15953464 (or 15953459 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 56634502550 in words is "fifty-six billion, six hundred thirty-four million, five hundred two thousand, five hundred fifty".