75553049 has 16 divisors (see below), whose sum is σ = 93985920. Its totient is φ = 59669760.

The previous prime is 75553039. The next prime is 75553073. The reversal of 75553049 is 94035557.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75553049 - 2²⁰ = 74504473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75553039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13109 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (5874120).

Almost surely, 2^75553049 is an apocalyptic number.

It is an amenable number.

75553049 is a deficient number, since it is larger than the sum of its proper divisors (18432871).

75553049 is a wasteful number, since it uses less digits than its factorization.

75553049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31120.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 75553049 is about 8692.1256893812. The cubic root of 75553049 is about 422.7503720077.

The spelling of 75553049 in words is "seventy-five million, five hundred fifty-three thousand, forty-nine".