100055472 has 160 divisors (see below), whose sum is σ = 304694784. Its totient is φ = 27955200.

The previous prime is 100055441. The next prime is 100055509. The reversal of 100055472 is 274550001.

It is a super-2 number, since 2×100055472² = 20022194954285568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637218 + ... + 637374.

Almost surely, 2^100055472 is an apocalyptic number.

100055472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100055472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152347392).

100055472 is an abundant number, since it is smaller than the sum of its proper divisors (204639312).

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

100055472 is a wasteful number, since it uses less digits than its factorization.

100055472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 100055472 is about 10002.7732154638. The cubic root of 100055472 is about 464.2446935683.

The spelling of 100055472 in words is "one hundred million, fifty-five thousand, four hundred seventy-two".