57969961 has 4 divisors (see below), whose sum is σ = 66251392. Its totient is φ = 49688532.

The previous prime is 57969953. The next prime is 57969973. The reversal of 57969961 is 16996975.

57969961 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, 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 57969961 - 2³ = 57969953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57969899 and 57969908.

It is not an unprimeable number, because it can be changed into a prime (57969911) by changing a digit.

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, 4140705 + ... + 4140718.

It is an arithmetic number, because the mean of its divisors is an integer number (16562848).

Almost surely, 2^57969961 is an apocalyptic number.

It is an amenable number.

57969961 is a deficient number, since it is larger than the sum of its proper divisors (8281431).

57969961 is an equidigital number, since it uses as much as digits as its factorization.

57969961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281430.

The product of its digits is 918540, while the sum is 52.

The square root of 57969961 is about 7613.8006934776. The cubic root of 57969961 is about 387.0208265093.

The spelling of 57969961 in words is "fifty-seven million, nine hundred sixty-nine thousand, nine hundred sixty-one".