61755361 has 4 divisors (see below), whose sum is σ = 61845424. Its totient is φ = 61665300.

The previous prime is 61755329. The next prime is 61755383. The reversal of 61755361 is 16355716.

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 61755361 - 2⁵ = 61755329 is a prime.

It is a super-2 number, since 2×61755361² = 7627449224480642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61755461) 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, 43995 + ... + 45376.

It is an arithmetic number, because the mean of its divisors is an integer number (15461356).

Almost surely, 2^61755361 is an apocalyptic number.

It is an amenable number.

61755361 is a deficient number, since it is larger than the sum of its proper divisors (90063).

61755361 is an equidigital number, since it uses as much as digits as its factorization.

61755361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90062.

The product of its digits is 18900, while the sum is 34.

The square root of 61755361 is about 7858.4579276090. The cubic root of 61755361 is about 395.2679077667.

The spelling of 61755361 in words is "sixty-one million, seven hundred fifty-five thousand, three hundred sixty-one".