108551407 has 4 divisors (see below), whose sum is σ = 108873856. Its totient is φ = 108228960.

The previous prime is 108551381. The next prime is 108551411. The reversal of 108551407 is 704155801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704155801 = 859 ⋅819739.

It is a cyclic number.

It is not a de Polignac number, because 108551407 - 2⁷ = 108551279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108551207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160719 + ... + 161392.

It is an arithmetic number, because the mean of its divisors is an integer number (27218464).

Almost surely, 2^108551407 is an apocalyptic number.

108551407 is a deficient number, since it is larger than the sum of its proper divisors (322449).

108551407 is an equidigital number, since it uses as much as digits as its factorization.

108551407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322448.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 108551407 is about 10418.8006507467. The cubic root of 108551407 is about 477.0294068924.

The spelling of 108551407 in words is "one hundred eight million, five hundred fifty-one thousand, four hundred seven".