42115053 has 4 divisors (see below), whose sum is σ = 56153408. Its totient is φ = 28076700.

The previous prime is 42115049. The next prime is 42115079. The reversal of 42115053 is 35051124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42115053 - 2² = 42115049 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 (42115253) 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, 7019173 + ... + 7019178.

It is an arithmetic number, because the mean of its divisors is an integer number (14038352).

Almost surely, 2^42115053 is an apocalyptic number.

It is an amenable number.

42115053 is a deficient number, since it is larger than the sum of its proper divisors (14038355).

42115053 is a wasteful number, since it uses less digits than its factorization.

42115053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038354.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42115053 is about 6489.6111593839. The cubic root of 42115053 is about 347.9197777165.

Adding to 42115053 its reverse (35051124), we get a palindrome (77166177).

The spelling of 42115053 in words is "forty-two million, one hundred fifteen thousand, fifty-three".