9554461572 has 12 divisors (see below), whose sum is σ = 22293743696. Its totient is φ = 3184820520.

The previous prime is 9554461489. The next prime is 9554461577. The reversal of 9554461572 is 2751644559.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9554461572² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9554461577) 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, 398102554 + ... + 398102577.

Almost surely, 2^9554461572 is an apocalyptic number.

It is an amenable number.

9554461572 is an abundant number, since it is smaller than the sum of its proper divisors (12739282124).

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

9554461572 is a wasteful number, since it uses less digits than its factorization.

9554461572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796205138 (or 796205136 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 48.

The square root of 9554461572 is about 97746.9261511583. The cubic root of 9554461572 is about 2121.9512689262.

The spelling of 9554461572 in words is "nine billion, five hundred fifty-four million, four hundred sixty-one thousand, five hundred seventy-two".