42180553 has 8 divisors (see below), whose sum is σ = 46103040. Its totient is φ = 38418240.

The previous prime is 42180533. The next prime is 42180557. The reversal of 42180553 is 35508124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42180553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42180557) 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, 39493 + ... + 40546.

It is an arithmetic number, because the mean of its divisors is an integer number (5762880).

Almost surely, 2^42180553 is an apocalyptic number.

It is an amenable number.

42180553 is a deficient number, since it is larger than the sum of its proper divisors (3922487).

42180553 is a wasteful number, since it uses less digits than its factorization.

42180553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80087.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 42180553 is about 6494.6557260566. The cubic root of 42180553 is about 348.1000532542.

Adding to 42180553 its reverse (35508124), we get a palindrome (77688677).

The spelling of 42180553 in words is "forty-two million, one hundred eighty thousand, five hundred fifty-three".