100554456 has 64 divisors (see below), whose sum is σ = 273408480. Its totient is φ = 30689280.

The previous prime is 100554449. The next prime is 100554457. The reversal of 100554456 is 654455001.

It is a super-2 number, since 2×100554456² = 20222397242911872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100554457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11766 + ... + 18426.

Almost surely, 2^100554456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100554456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136704240).

100554456 is an abundant number, since it is smaller than the sum of its proper divisors (172854024).

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

100554456 is a wasteful number, since it uses less digits than its factorization.

100554456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724 (or 6720 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 100554456 is about 10027.6844784826. The cubic root of 100554456 is about 465.0151550154.

The spelling of 100554456 in words is "one hundred million, five hundred fifty-four thousand, four hundred fifty-six".