100055429 has 2 divisors, whose sum is σ = 100055430. Its totient is φ = 100055428.

The previous prime is 100055413. The next prime is 100055441. The reversal of 100055429 is 924550001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 26061025 = 8602^2 + 5105^2 .

It is a cyclic number.

It is not a de Polignac number, because 100055429 - 2⁴ = 100055413 is a prime.

It is a super-2 number, since 2×100055429² = 20022177744748082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100055398 and 100055407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100055029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027714 + 50027715.

It is an arithmetic number, because the mean of its divisors is an integer number (50027715).

Almost surely, 2^100055429 is an apocalyptic number.

It is an amenable number.

100055429 is a deficient number, since it is larger than the sum of its proper divisors (1).

100055429 is an equidigital number, since it uses as much as digits as its factorization.

100055429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 100055429 is about 10002.7710660596. The cubic root of 100055429 is about 464.2446270634.

The spelling of 100055429 in words is "one hundred million, fifty-five thousand, four hundred twenty-nine".