61059057 has 12 divisors (see below), whose sum is σ = 84126960. Its totient is φ = 39391080.

The previous prime is 61059029. The next prime is 61059107. The reversal of 61059057 is 75095016.

It is not a de Polignac number, because 61059057 - 2⁶ = 61058993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61059017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7707 + ... + 13472.

It is an arithmetic number, because the mean of its divisors is an integer number (7010580).

Almost surely, 2^61059057 is an apocalyptic number.

It is an amenable number.

61059057 is a deficient number, since it is larger than the sum of its proper divisors (23067903).

61059057 is a wasteful number, since it uses less digits than its factorization.

61059057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244 (or 21213 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 61059057 is about 7814.0294982806. The cubic root of 61059057 is about 393.7767143377.

The spelling of 61059057 in words is "sixty-one million, fifty-nine thousand, fifty-seven".