99957541 has 4 divisors (see below), whose sum is σ = 100676800. Its totient is φ = 99238284.

The previous prime is 99957527. The next prime is 99957551. The reversal of 99957541 is 14575999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99957541 - 2²³ = 91568933 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 (99957521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359421 + ... + 359698.

It is an arithmetic number, because the mean of its divisors is an integer number (25169200).

Almost surely, 2^99957541 is an apocalyptic number.

It is an amenable number.

99957541 is a deficient number, since it is larger than the sum of its proper divisors (719259).

99957541 is a wasteful number, since it uses less digits than its factorization.

99957541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719258.

The product of its digits is 510300, while the sum is 49.

The square root of 99957541 is about 9997.8768246063. The cubic root of 99957541 is about 464.0931816549.

The spelling of 99957541 in words is "ninety-nine million, nine hundred fifty-seven thousand, five hundred forty-one".