42315554 has 8 divisors (see below), whose sum is σ = 63554220. Its totient is φ = 21130816.

The previous prime is 42315551. The next prime is 42315563. The reversal of 42315554 is 45551324.

It can be written as a sum of positive squares in 2 ways, for example, as 42315025 + 529 = 6505^2 + 23^2 .

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

It is a super-2 number, since 2×42315554² = 3581212220653832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42315551) 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, 11459 + ... + 14694.

Almost surely, 2^42315554 is an apocalyptic number.

42315554 is a deficient number, since it is larger than the sum of its proper divisors (21238666).

42315554 is a wasteful number, since it uses less digits than its factorization.

42315554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26964.

The product of its digits is 12000, while the sum is 29.

The square root of 42315554 is about 6505.0406609029. The cubic root of 42315554 is about 348.4710283876.

Adding to 42315554 its reverse (45551324), we get a palindrome (87866878).

The spelling of 42315554 in words is "forty-two million, three hundred fifteen thousand, five hundred fifty-four".