55601506650 has 24 divisors (see below), whose sum is σ = 137891736864. Its totient is φ = 14827068400.

The previous prime is 55601506633. The next prime is 55601506661. The reversal of 55601506650 is 5660510655.

It is a junction number, because it is equal to n+sod(n) for n = 55601506599 and 55601506608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185338206 + ... + 185338505.

It is an arithmetic number, because the mean of its divisors is an integer number (5745489036).

Almost surely, 2^55601506650 is an apocalyptic number.

55601506650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55601506650 is an abundant number, since it is smaller than the sum of its proper divisors (82290230214).

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

55601506650 is a wasteful number, since it uses less digits than its factorization.

55601506650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370676726 (or 370676721 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 55601506650 in words is "fifty-five billion, six hundred one million, five hundred six thousand, six hundred fifty".