61755059 has 4 divisors (see below), whose sum is σ = 62199480. Its totient is φ = 61310640.

The previous prime is 61755049. The next prime is 61755077. The reversal of 61755059 is 95055716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61755059 - 2²⁴ = 44977843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61755049) 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, 222002 + ... + 222279.

It is an arithmetic number, because the mean of its divisors is an integer number (15549870).

Almost surely, 2^61755059 is an apocalyptic number.

61755059 is a deficient number, since it is larger than the sum of its proper divisors (444421).

61755059 is a wasteful number, since it uses less digits than its factorization.

61755059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444420.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 61755059 is about 7858.4387126197. The cubic root of 61755059 is about 395.2672634442.

The spelling of 61755059 in words is "sixty-one million, seven hundred fifty-five thousand, fifty-nine".