42133553 has 16 divisors (see below), whose sum is σ = 53320704. Its totient is φ = 32337360.

The previous prime is 42133537. The next prime is 42133561. The reversal of 42133553 is 35533124.

It is not a de Polignac number, because 42133553 - 2⁴ = 42133537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42133153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (3332544).

Almost surely, 2^42133553 is an apocalyptic number.

It is an amenable number.

42133553 is a deficient number, since it is larger than the sum of its proper divisors (11187151).

42133553 is a wasteful number, since it uses less digits than its factorization.

42133553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252.

The product of its digits is 5400, while the sum is 26.

The square root of 42133553 is about 6491.0363579324. The cubic root of 42133553 is about 347.9707141648.

Adding to 42133553 its reverse (35533124), we get a palindrome (77666677).

The spelling of 42133553 in words is "forty-two million, one hundred thirty-three thousand, five hundred fifty-three".