98555261 has 16 divisors (see below), whose sum is σ = 118853760. Its totient is φ = 79833600.

The previous prime is 98555251. The next prime is 98555291. The reversal of 98555261 is 16255589.

It is a de Polignac number, because none of the positive numbers 2^k-98555261 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 (98555221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81461 + ... + 82661.

It is an arithmetic number, because the mean of its divisors is an integer number (7428360).

Almost surely, 2^98555261 is an apocalyptic number.

It is an amenable number.

98555261 is a deficient number, since it is larger than the sum of its proper divisors (20298499).

98555261 is a wasteful number, since it uses less digits than its factorization.

98555261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its digits is 108000, while the sum is 41.

The square root of 98555261 is about 9927.5002392344. The cubic root of 98555261 is about 461.9127365904.

The spelling of 98555261 in words is "ninety-eight million, five hundred fifty-five thousand, two hundred sixty-one".