61957059 has 8 divisors (see below), whose sum is σ = 82649280. Its totient is φ = 41284776.

The previous prime is 61957057. The next prime is 61957069. The reversal of 61957059 is 95075916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61957059 - 2¹ = 61957057 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 61957059.

It is not an unprimeable number, because it can be changed into a prime (61957057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (10331160).

Almost surely, 2^61957059 is an apocalyptic number.

61957059 is a deficient number, since it is larger than the sum of its proper divisors (20692221).

61957059 is a wasteful number, since it uses less digits than its factorization.

61957059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 61957059 is about 7871.2806454858. The cubic root of 61957059 is about 395.6977657661.

The spelling of 61957059 in words is "sixty-one million, nine hundred fifty-seven thousand, fifty-nine".