100552543 has 32 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 77051520.

The previous prime is 100552489. The next prime is 100552547. The reversal of 100552543 is 345255001.

It is not a de Polignac number, because 100552543 - 2¹³ = 100544351 is a prime.

It is a super-2 number, since 2×100552543² = 20221627807533698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100552547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510321 + ... + 510517.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^100552543 is an apocalyptic number.

100552543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100552543 is a deficient number, since it is larger than the sum of its proper divisors (27181217).

100552543 is a wasteful number, since it uses less digits than its factorization.

100552543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 100552543 is about 10027.5890920999. The cubic root of 100552543 is about 465.0122061004.

The spelling of 100552543 in words is "one hundred million, five hundred fifty-two thousand, five hundred forty-three".