42155053 has 12 divisors (see below), whose sum is σ = 47114460. Its totient is φ = 37581696.

The previous prime is 42155041. The next prime is 42155063. The reversal of 42155053 is 35055124.

It can be written as a sum of positive squares in 2 ways, for example, as 13446889 + 28708164 = 3667^2 + 5358^2 .

It is not a de Polignac number, because 42155053 - 2¹³ = 42146861 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 (42155063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2703 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (3926205).

Almost surely, 2^42155053 is an apocalyptic number.

It is an amenable number.

42155053 is a deficient number, since it is larger than the sum of its proper divisors (4959407).

42155053 is a wasteful number, since it uses less digits than its factorization.

42155053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924 (or 6905 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 42155053 is about 6492.6922767062. The cubic root of 42155053 is about 348.0298918482.

The spelling of 42155053 in words is "forty-two million, one hundred fifty-five thousand, fifty-three".