42133554 has 32 divisors (see below), whose sum is σ = 95172480. Its totient is φ = 13813200.

The previous prime is 42133537. The next prime is 42133561. The reversal of 42133554 is 45533124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3102 + ... + 9689.

It is an arithmetic number, because the mean of its divisors is an integer number (2974140).

Almost surely, 2^42133554 is an apocalyptic number.

42133554 is an abundant number, since it is smaller than the sum of its proper divisors (53038926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42133554 is a wasteful number, since it uses less digits than its factorization.

42133554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863 (or 12857 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 42133554 is about 6491.0364349617. The cubic root of 42133554 is about 347.9707169177.

Adding to 42133554 its reverse (45533124), we get a palindrome (87666678).

The spelling of 42133554 in words is "forty-two million, one hundred thirty-three thousand, five hundred fifty-four".