88491955 has 4 divisors (see below), whose sum is σ = 106190352. Its totient is φ = 70793560.

The previous prime is 88491947. The next prime is 88491959. The reversal of 88491955 is 55919488.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88491955 - 2³ = 88491947 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88491899 and 88491908.

It is not an unprimeable number, because it can be changed into a prime (88491959) 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, 8849191 + ... + 8849200.

It is an arithmetic number, because the mean of its divisors is an integer number (26547588).

Almost surely, 2^88491955 is an apocalyptic number.

88491955 is a deficient number, since it is larger than the sum of its proper divisors (17698397).

88491955 is a wasteful number, since it uses less digits than its factorization.

88491955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17698396.

The product of its digits is 518400, while the sum is 49.

The square root of 88491955 is about 9407.0162644698. The cubic root of 88491955 is about 445.6233405529.

The spelling of 88491955 in words is "eighty-eight million, four hundred ninety-one thousand, nine hundred fifty-five".