42776053 has 4 divisors (see below), whose sum is σ = 42795340. Its totient is φ = 42756768.

The previous prime is 42776047. The next prime is 42776057. The reversal of 42776053 is 35067724.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23213124 + 19562929 = 4818^2 + 4423^2 .

It is a cyclic number.

It is not a de Polignac number, because 42776053 - 2⁹ = 42775541 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 (42776057) 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, 5808 + ... + 10921.

It is an arithmetic number, because the mean of its divisors is an integer number (10698835).

Almost surely, 2^42776053 is an apocalyptic number.

It is an amenable number.

42776053 is a deficient number, since it is larger than the sum of its proper divisors (19287).

42776053 is a wasteful number, since it uses less digits than its factorization.

42776053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 42776053 is about 6540.3404345645. The cubic root of 42776053 is about 349.7305490764.

The spelling of 42776053 in words is "forty-two million, seven hundred seventy-six thousand, fifty-three".