55525762650 has 48 divisors (see below), whose sum is σ = 137890504800. Its totient is φ = 14786804160.

The previous prime is 55525762549. The next prime is 55525762673. The reversal of 55525762650 is 5626752555.

It is a super-2 number, since 2×55525762650² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55525762650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139605 + ... + 361304.

It is an arithmetic number, because the mean of its divisors is an integer number (2872718850).

Almost surely, 2^55525762650 is an apocalyptic number.

55525762650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55525762650 is an abundant number, since it is smaller than the sum of its proper divisors (82364742150).

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

55525762650 is a wasteful number, since it uses less digits than its factorization.

55525762650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501663 (or 501658 counting only the distinct ones).

The product of its (nonzero) digits is 3150000, while the sum is 48.

The spelling of 55525762650 in words is "fifty-five billion, five hundred twenty-five million, seven hundred sixty-two thousand, six hundred fifty".