10055455550 has 48 divisors (see below), whose sum is σ = 21737358720. Its totient is φ = 3389144160.

The previous prime is 10055455541. The next prime is 10055455559. The reversal of 10055455550 is 5555455001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10055455541) and next prime (10055455559).

It is a super-2 number, since 2×10055455550² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 10055455550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10055455559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222824 + ... + 264123.

It is an arithmetic number, because the mean of its divisors is an integer number (452861640).

Almost surely, 2^10055455550 is an apocalyptic number.

10055455550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10055455550 is an abundant number, since it is smaller than the sum of its proper divisors (11681903170).

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

10055455550 is a wasteful number, since it uses less digits than its factorization.

10055455550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487025 (or 487020 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 10055455550 in words is "ten billion, fifty-five million, four hundred fifty-five thousand, five hundred fifty".