88561548 has 18 divisors (see below), whose sum is σ = 223864004. Its totient is φ = 29520504.

The previous prime is 88561531. The next prime is 88561549. The reversal of 88561548 is 84516588.

88561548 is a `hidden beast` number, since 88 + 561 + 5 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (88561549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229986 + ... + 1230057.

Almost surely, 2^88561548 is an apocalyptic number.

It is an amenable number.

88561548 is an abundant number, since it is smaller than the sum of its proper divisors (135302456).

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

88561548 is a wasteful number, since it uses less digits than its factorization.

88561548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460053 (or 2460048 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 88561548 is about 9410.7145318514. The cubic root of 88561548 is about 445.7401275874.

It can be divided in two parts, 8856 and 1548, that added together give a square (10404 = 102²).

The spelling of 88561548 in words is "eighty-eight million, five hundred sixty-one thousand, five hundred forty-eight".