42553767 has 4 divisors (see below), whose sum is σ = 56738360. Its totient is φ = 28369176.

The previous prime is 42553739. The next prime is 42553799. The reversal of 42553767 is 76735524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42553767 - 2⁷ = 42553639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7092292 + ... + 7092297.

It is an arithmetic number, because the mean of its divisors is an integer number (14184590).

Almost surely, 2^42553767 is an apocalyptic number.

42553767 is a deficient number, since it is larger than the sum of its proper divisors (14184593).

42553767 is a wasteful number, since it uses less digits than its factorization.

42553767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184592.

The product of its digits is 176400, while the sum is 39.

The square root of 42553767 is about 6523.3248424404. The cubic root of 42553767 is about 349.1237044471.

The spelling of 42553767 in words is "forty-two million, five hundred fifty-three thousand, seven hundred sixty-seven".