100055046 has 128 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 24837120.

The previous prime is 100055029. The next prime is 100055051. The reversal of 100055046 is 640550001.

It is a happy number.

It is a super-2 number, since 2×100055046² = 20022024460124232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1124170 + ... + 1124258.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^100055046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100055046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

100055046 is an abundant number, since it is smaller than the sum of its proper divisors (161218554).

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

100055046 is a wasteful number, since it uses less digits than its factorization.

100055046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100055046 is about 10002.7519213464. The cubic root of 100055046 is about 464.2440347054.

It can be divided in two parts, 10005 and 5046, that added together give a palindrome (15051).

The spelling of 100055046 in words is "one hundred million, fifty-five thousand, forty-six".