55213260250 has 32 divisors (see below), whose sum is σ = 103377643200. Its totient is φ = 22081368400.

The previous prime is 55213260247. The next prime is 55213260253. The reversal of 55213260250 is 5206231255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55213260247) and next prime (55213260253).

It is not an unprimeable number, because it can be changed into a prime (55213260253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678461 + ... + 1711039.

It is an arithmetic number, because the mean of its divisors is an integer number (3230551350).

Almost surely, 2^55213260250 is an apocalyptic number.

55213260250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55213260250 is a deficient number, since it is larger than the sum of its proper divisors (48164382950).

55213260250 is a wasteful number, since it uses less digits than its factorization.

55213260250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39375 (or 39365 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 55213260250 in words is "fifty-five billion, two hundred thirteen million, two hundred sixty thousand, two hundred fifty".