94557561 has 16 divisors (see below), whose sum is σ = 147154944. Its totient is φ = 52882704.

The previous prime is 94557499. The next prime is 94557583. The reversal of 94557561 is 16575549.

It is not a de Polignac number, because 94557561 - 2⁶ = 94557497 is a prime.

It is a super-2 number, since 2×94557561² = 17882264684537442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (94557061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46915 + ... + 48888.

It is an arithmetic number, because the mean of its divisors is an integer number (9197184).

Almost surely, 2^94557561 is an apocalyptic number.

It is an amenable number.

94557561 is a deficient number, since it is larger than the sum of its proper divisors (52597383).

94557561 is a wasteful number, since it uses less digits than its factorization.

94557561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95860.

The product of its digits is 189000, while the sum is 42.

The square root of 94557561 is about 9724.0712152884. The cubic root of 94557561 is about 455.5808080148.

The spelling of 94557561 in words is "ninety-four million, five hundred fifty-seven thousand, five hundred sixty-one".