75554139 has 8 divisors (see below), whose sum is σ = 103081792. Its totient is φ = 49197960.

The previous prime is 75554123. The next prime is 75554159. The reversal of 75554139 is 93145557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75554139 - 2⁴ = 75554123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75554097 and 75554106.

It is not an unprimeable number, because it can be changed into a prime (75554159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292717 + ... + 292974.

It is an arithmetic number, because the mean of its divisors is an integer number (12885224).

Almost surely, 2^75554139 is an apocalyptic number.

75554139 is a deficient number, since it is larger than the sum of its proper divisors (27527653).

75554139 is a wasteful number, since it uses less digits than its factorization.

75554139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585737.

The product of its digits is 94500, while the sum is 39.

The square root of 75554139 is about 8692.1883895829. The cubic root of 75554139 is about 422.7524049973.

The spelling of 75554139 in words is "seventy-five million, five hundred fifty-four thousand, one hundred thirty-nine".