60669557 has 4 divisors (see below), whose sum is σ = 65336460. Its totient is φ = 56002656.

The previous prime is 60669541. The next prime is 60669599. The reversal of 60669557 is 75596606.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75596606 = 2 ⋅37798303.

It can be written as a sum of positive squares in 2 ways, for example, as 5924356 + 54745201 = 2434^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 60669557 - 2⁴ = 60669541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60669457) 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, 2333432 + ... + 2333457.

It is an arithmetic number, because the mean of its divisors is an integer number (16334115).

Almost surely, 2^60669557 is an apocalyptic number.

It is an amenable number.

60669557 is a deficient number, since it is larger than the sum of its proper divisors (4666903).

60669557 is a wasteful number, since it uses less digits than its factorization.

60669557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666902.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 60669557 is about 7789.0665037603. The cubic root of 60669557 is about 392.9376178374.

The spelling of 60669557 in words is "sixty million, six hundred sixty-nine thousand, five hundred fifty-seven".