61352755 has 4 divisors (see below), whose sum is σ = 73623312. Its totient is φ = 49082200.

The previous prime is 61352749. The next prime is 61352801. The reversal of 61352755 is 55725316.

61352755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-61352755 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61352755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6135271 + ... + 6135280.

It is an arithmetic number, because the mean of its divisors is an integer number (18405828).

Almost surely, 2^61352755 is an apocalyptic number.

61352755 is a deficient number, since it is larger than the sum of its proper divisors (12270557).

61352755 is a wasteful number, since it uses less digits than its factorization.

61352755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270556.

The product of its digits is 31500, while the sum is 34.

The square root of 61352755 is about 7832.7999463793. The cubic root of 61352755 is about 394.4070685268.

The spelling of 61352755 in words is "sixty-one million, three hundred fifty-two thousand, seven hundred fifty-five".