75638053 has 4 divisors (see below), whose sum is σ = 78926688. Its totient is φ = 72349420.

The previous prime is 75638029. The next prime is 75638063. The reversal of 75638053 is 35083657.

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.

It is a cyclic number.

It is not a de Polignac number, because 75638053 - 2⁵ = 75638021 is a prime.

It is a super-2 number, since 2×75638053² = 11442230123261618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75638023) 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, 1644283 + ... + 1644328.

It is an arithmetic number, because the mean of its divisors is an integer number (19731672).

Almost surely, 2^75638053 is an apocalyptic number.

It is an amenable number.

75638053 is a deficient number, since it is larger than the sum of its proper divisors (3288635).

75638053 is a wasteful number, since it uses less digits than its factorization.

75638053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288634.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 75638053 is about 8697.0140278144. The cubic root of 75638053 is about 422.9088566956.

It can be divided in two parts, 756 and 38053, that added together give a square (38809 = 197²).

The spelling of 75638053 in words is "seventy-five million, six hundred thirty-eight thousand, fifty-three".