99955750 has 64 divisors (see below), whose sum is σ = 205208640. Its totient is φ = 36288000.

The previous prime is 99955747. The next prime is 99955763. The reversal of 99955750 is 5755999.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99955694 and 99955703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122845 + ... + 123655.

It is an arithmetic number, because the mean of its divisors is an integer number (3206385).

Almost surely, 2^99955750 is an apocalyptic number.

99955750 is an abundant number, since it is smaller than the sum of its proper divisors (105252890).

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

99955750 is a wasteful number, since it uses less digits than its factorization.

99955750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 637875, while the sum is 49.

The square root of 99955750 is about 9997.7872551880. The cubic root of 99955750 is about 464.0904098251.

The spelling of 99955750 in words is "ninety-nine million, nine hundred fifty-five thousand, seven hundred fifty".