75340553 has 4 divisors (see below), whose sum is σ = 75358080. Its totient is φ = 75323028.

The previous prime is 75340541. The next prime is 75340561. The reversal of 75340553 is 35504357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 75340553 - 2¹⁴ = 75324169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75349553) 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, 2576 + ... + 12542.

It is an arithmetic number, because the mean of its divisors is an integer number (18839520).

Almost surely, 2^75340553 is an apocalyptic number.

It is an amenable number.

75340553 is a deficient number, since it is larger than the sum of its proper divisors (17527).

75340553 is an equidigital number, since it uses as much as digits as its factorization.

75340553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 75340553 is about 8679.8936053387. The cubic root of 75340553 is about 422.3536656956.

The spelling of 75340553 in words is "seventy-five million, three hundred forty thousand, five hundred fifty-three".