89973955 has 4 divisors (see below), whose sum is σ = 107968752. Its totient is φ = 71979160.

The previous prime is 89973893. The next prime is 89973971. The reversal of 89973955 is 55937998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55937998 = 2 ⋅27968999.

It is not a de Polignac number, because 89973955 - 2¹¹ = 89971907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89973896 and 89973905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8997391 + ... + 8997400.

It is an arithmetic number, because the mean of its divisors is an integer number (26992188).

Almost surely, 2^89973955 is an apocalyptic number.

89973955 is a deficient number, since it is larger than the sum of its proper divisors (17994797).

89973955 is a wasteful number, since it uses less digits than its factorization.

89973955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994796.

The product of its digits is 3061800, while the sum is 55.

The square root of 89973955 is about 9485.4601891527. The cubic root of 89973955 is about 448.0972415270.

The spelling of 89973955 in words is "eighty-nine million, nine hundred seventy-three thousand, nine hundred fifty-five".