75605055 has 16 divisors (see below), whose sum is σ = 122329440. Its totient is φ = 39868928.

The previous prime is 75605053. The next prime is 75605081. The reversal of 75605055 is 55050657.

It is a cyclic number.

It is not a de Polignac number, because 75605055 - 2¹ = 75605053 is a prime.

It is a super-2 number, since 2×75605055² = 11432248683106050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75605053) 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, 26982 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (7645590).

Almost surely, 2^75605055 is an apocalyptic number.

75605055 is a deficient number, since it is larger than the sum of its proper divisors (46724385).

75605055 is a wasteful number, since it uses less digits than its factorization.

75605055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56730.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 75605055 is about 8695.1167329714. The cubic root of 75605055 is about 422.8473480776.

The spelling of 75605055 in words is "seventy-five million, six hundred five thousand, fifty-five".