42553956 has 24 divisors (see below), whose sum is σ = 103610304. Its totient is φ = 13567840.

The previous prime is 42553949. The next prime is 42553957. The reversal of 42553956 is 65935524.

It is not an unprimeable number, because it can be changed into a prime (42553957) 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, 76815 + ... + 77366.

It is an arithmetic number, because the mean of its divisors is an integer number (4317096).

Almost surely, 2^42553956 is an apocalyptic number.

42553956 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42553956 is an abundant number, since it is smaller than the sum of its proper divisors (61056348).

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

42553956 is a wasteful number, since it uses less digits than its factorization.

42553956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154211 (or 154209 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 42553956 is about 6523.3393289020. The cubic root of 42553956 is about 349.1242213170.

The spelling of 42553956 in words is "forty-two million, five hundred fifty-three thousand, nine hundred fifty-six".