55645266750 has 64 divisors (see below), whose sum is σ = 146200654080. Its totient is φ = 14057748000.

The previous prime is 55645266749. The next prime is 55645266763. The reversal of 55645266750 is 5766254655.

It is a junction number, because it is equal to n+sod(n) for n = 55645266693 and 55645266702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1938216 + ... + 1966715.

It is an arithmetic number, because the mean of its divisors is an integer number (2284385220).

Almost surely, 2^55645266750 is an apocalyptic number.

55645266750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55645266750 is an abundant number, since it is smaller than the sum of its proper divisors (90555387330).

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

55645266750 is a wasteful number, since it uses less digits than its factorization.

55645266750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904970 (or 3904960 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 51.

The spelling of 55645266750 in words is "fifty-five billion, six hundred forty-five million, two hundred sixty-six thousand, seven hundred fifty".