55502367850 has 48 divisors (see below), whose sum is σ = 105470053056. Its totient is φ = 21724560000.

The previous prime is 55502367827. The next prime is 55502367859. The reversal of 55502367850 is 5876320555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55502367850.

It is not an unprimeable number, because it can be changed into a prime (55502367859) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 450990 + ... + 560710.

It is an arithmetic number, because the mean of its divisors is an integer number (2197292772).

Almost surely, 2^55502367850 is an apocalyptic number.

55502367850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55502367850 is a deficient number, since it is larger than the sum of its proper divisors (49967685206).

55502367850 is a wasteful number, since it uses less digits than its factorization.

55502367850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109951 (or 109946 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 55502367850 in words is "fifty-five billion, five hundred two million, three hundred sixty-seven thousand, eight hundred fifty".