99554850 has 36 divisors (see below), whose sum is σ = 267471906. Its totient is φ = 26547840.

The previous prime is 99554849. The next prime is 99554863. The reversal of 99554850 is 5845599.

99554850 is a `hidden beast` number, since 99 + 554 + 8 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 93837969 + 5716881 = 9687^2 + 2391^2 .

It is a super-2 number, since 2×99554850² = 19822336317045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 99554796 and 99554805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110167 + ... + 111066.

Almost surely, 2^99554850 is an apocalyptic number.

99554850 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99554850 is an abundant number, since it is smaller than the sum of its proper divisors (167917056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99554850 is a wasteful number, since it uses less digits than its factorization.

99554850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221251 (or 221243 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 99554850 is about 9977.7176748994. The cubic root of 99554850 is about 463.4691244362.

The spelling of 99554850 in words is "ninety-nine million, five hundred fifty-four thousand, eight hundred fifty".