42553126 has 16 divisors (see below), whose sum is σ = 79580160. Its totient is φ = 16579080.

The previous prime is 42553109. The next prime is 42553127. The reversal of 42553126 is 62135524.

It is a junction number, because it is equal to n+sod(n) for n = 42553094 and 42553103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553127) 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, 138006 + ... + 138313.

It is an arithmetic number, because the mean of its divisors is an integer number (4973760).

Almost surely, 2^42553126 is an apocalyptic number.

42553126 is a deficient number, since it is larger than the sum of its proper divisors (37027034).

42553126 is a wasteful number, since it uses less digits than its factorization.

42553126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276339.

The product of its digits is 7200, while the sum is 28.

The square root of 42553126 is about 6523.2757108680. The cubic root of 42553126 is about 349.1219514537.

It can be divided in two parts, 4255 and 3126, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 42553126 in words is "forty-two million, five hundred fifty-three thousand, one hundred twenty-six".