98553431 has 4 divisors (see below), whose sum is σ = 99903552. Its totient is φ = 97203312.

The previous prime is 98553419. The next prime is 98553439. The reversal of 98553431 is 13435589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13435589 = 157 ⋅85577.

It is a cyclic number.

It is not a de Polignac number, because 98553431 - 2¹⁰ = 98552407 is a prime.

It is a super-2 number, since 2×98553431² = 19425557523743522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98553439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674951 + ... + 675096.

It is an arithmetic number, because the mean of its divisors is an integer number (24975888).

Almost surely, 2^98553431 is an apocalyptic number.

98553431 is a deficient number, since it is larger than the sum of its proper divisors (1350121).

98553431 is a wasteful number, since it uses less digits than its factorization.

98553431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350120.

The product of its digits is 64800, while the sum is 38.

The square root of 98553431 is about 9927.4080705892. The cubic root of 98553431 is about 461.9098776003.

The spelling of 98553431 in words is "ninety-eight million, five hundred fifty-three thousand, four hundred thirty-one".