60491057 has 4 divisors (see below), whose sum is σ = 65990256. Its totient is φ = 54991860.

The previous prime is 60491051. The next prime is 60491069. The reversal of 60491057 is 75019406.

It is a happy number.

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 not a de Polignac number, because 60491057 - 2¹⁰ = 60490033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60491051) 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, 2749583 + ... + 2749604.

It is an arithmetic number, because the mean of its divisors is an integer number (16497564).

Almost surely, 2^60491057 is an apocalyptic number.

It is an amenable number.

60491057 is a deficient number, since it is larger than the sum of its proper divisors (5499199).

60491057 is a wasteful number, since it uses less digits than its factorization.

60491057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499198.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 60491057 is about 7777.5996939930. The cubic root of 60491057 is about 392.5518765191.

The spelling of 60491057 in words is "sixty million, four hundred ninety-one thousand, fifty-seven".