42557802 has 32 divisors (see below), whose sum is σ = 97542144. Its totient is φ = 12126000.

The previous prime is 42557791. The next prime is 42557813. The reversal of 42557802 is 20875524.

It is an interprime number because it is at equal distance from previous prime (42557791) and next prime (42557813).

It is a super-2 number, since 2×42557802² = 3622333022142408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16927 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (3048192).

Almost surely, 2^42557802 is an apocalyptic number.

42557802 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42557802 is an abundant number, since it is smaller than the sum of its proper divisors (54984342).

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

42557802 is a wasteful number, since it uses less digits than its factorization.

42557802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 42557802 is about 6523.6341099114. The cubic root of 42557802 is about 349.1347388766.

The spelling of 42557802 in words is "forty-two million, five hundred fifty-seven thousand, eight hundred two".