98506551 has 48 divisors (see below), whose sum is σ = 164436480. Its totient is φ = 51816960.

The previous prime is 98506547. The next prime is 98506553. The reversal of 98506551 is 15560589.

It is not a de Polignac number, because 98506551 - 2² = 98506547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98506553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94290 + ... + 95328.

It is an arithmetic number, because the mean of its divisors is an integer number (3425760).

Almost surely, 2^98506551 is an apocalyptic number.

98506551 is a deficient number, since it is larger than the sum of its proper divisors (65929929).

98506551 is a wasteful number, since it uses less digits than its factorization.

98506551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 98506551 is about 9925.0466497644. The cubic root of 98506551 is about 461.8366253916.

The spelling of 98506551 in words is "ninety-eight million, five hundred six thousand, five hundred fifty-one".