42253756 has 6 divisors (see below), whose sum is σ = 73944080. Its totient is φ = 21126876.

The previous prime is 42253753. The next prime is 42253759. The reversal of 42253756 is 65735224.

It is an interprime number because it is at equal distance from previous prime (42253753) and next prime (42253759).

It is a super-2 number, since 2×42253756² = 3570759792215072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281716 + ... + 5281723.

Almost surely, 2^42253756 is an apocalyptic number.

It is an amenable number.

42253756 is a deficient number, since it is larger than the sum of its proper divisors (31690324).

42253756 is a wasteful number, since it uses less digits than its factorization.

42253756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563443 (or 10563441 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 42253756 is about 6500.2889166559. The cubic root of 42253756 is about 348.3013090426.

The spelling of 42253756 in words is "forty-two million, two hundred fifty-three thousand, seven hundred fifty-six".