98543551 has 4 divisors (see below), whose sum is σ = 98664112. Its totient is φ = 98422992.

The previous prime is 98543461. The next prime is 98543567. The reversal of 98543551 is 15534589.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98543551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98549551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59046 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (24666028).

Almost surely, 2^98543551 is an apocalyptic number.

98543551 is a deficient number, since it is larger than the sum of its proper divisors (120561).

98543551 is a wasteful number, since it uses less digits than its factorization.

98543551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120560.

The product of its digits is 108000, while the sum is 40.

The square root of 98543551 is about 9926.9104458537. The cubic root of 98543551 is about 461.8944415671.

The spelling of 98543551 in words is "ninety-eight million, five hundred forty-three thousand, five hundred fifty-one".