42550001051 has 4 divisors (see below), whose sum is σ = 42555669072. Its totient is φ = 42544333032.

The previous prime is 42550000973. The next prime is 42550001057. The reversal of 42550001051 is 15010005524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42550001051 - 2¹⁴ = 42549984667 is a prime.

It is a super-2 number, since 2×42550001051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42550001057) 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, 2822735 + ... + 2837768.

It is an arithmetic number, because the mean of its divisors is an integer number (10638917268).

Almost surely, 2^42550001051 is an apocalyptic number.

42550001051 is a deficient number, since it is larger than the sum of its proper divisors (5668021).

42550001051 is an equidigital number, since it uses as much as digits as its factorization.

42550001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668020.

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 42550001051 its reverse (15010005524), we get a palindrome (57560006575).

The spelling of 42550001051 in words is "forty-two billion, five hundred fifty million, one thousand, fifty-one".