10100454550 has 48 divisors (see below), whose sum is σ = 19317138624. Its totient is φ = 3926880000.

The previous prime is 10100454527. The next prime is 10100454563. The reversal of 10100454550 is 5545400101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546460 + ... + 564640.

It is an arithmetic number, because the mean of its divisors is an integer number (402440388).

Almost surely, 2^10100454550 is an apocalyptic number.

10100454550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100454550 is a deficient number, since it is larger than the sum of its proper divisors (9216684074).

10100454550 is a wasteful number, since it uses less digits than its factorization.

10100454550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505 (or 18500 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 10100454550 its reverse (5545400101), we get a palindrome (15645854651).

The spelling of 10100454550 in words is "ten billion, one hundred million, four hundred fifty-four thousand, five hundred fifty".