55266615250 has 64 divisors (see below), whose sum is σ = 128988018432. Its totient is φ = 17225952000.

The previous prime is 55266615221. The next prime is 55266615253. The reversal of 55266615250 is 5251666255.

It is a super-2 number, since 2×55266615250² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55266615197 and 55266615206.

It is not an unprimeable number, because it can be changed into a prime (55266615253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416247 + ... + 1454746.

It is an arithmetic number, because the mean of its divisors is an integer number (2015437788).

Almost surely, 2^55266615250 is an apocalyptic number.

55266615250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55266615250 is an abundant number, since it is smaller than the sum of its proper divisors (73721403182).

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

55266615250 is a wasteful number, since it uses less digits than its factorization.

55266615250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871028 (or 2871018 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 55266615250 in words is "fifty-five billion, two hundred sixty-six million, six hundred fifteen thousand, two hundred fifty".