99954550 has 36 divisors (see below), whose sum is σ = 194401620. Its totient is φ = 38233360.

The previous prime is 99954541. The next prime is 99954551. The reversal of 99954550 is 5545999.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 99954550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99954551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24561 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (5400045).

Almost surely, 2^99954550 is an apocalyptic number.

99954550 is a deficient number, since it is larger than the sum of its proper divisors (94447070).

99954550 is a wasteful number, since it uses less digits than its factorization.

99954550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 99954550 is about 9997.7272417285. The cubic root of 99954550 is about 464.0885526343.

The spelling of 99954550 in words is "ninety-nine million, nine hundred fifty-four thousand, five hundred fifty".