42552542501 has 4 divisors (see below), whose sum is σ = 48631477152. Its totient is φ = 36473607852.

The previous prime is 42552542471. The next prime is 42552542561. The reversal of 42552542501 is 10524525524.

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 a cyclic number.

It is not a de Polignac number, because 42552542501 - 2⁶ = 42552542437 is a prime.

It is a super-2 number, since 2×42552542501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552542561) 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, 3039467315 + ... + 3039467328.

It is an arithmetic number, because the mean of its divisors is an integer number (12157869288).

Almost surely, 2^42552542501 is an apocalyptic number.

It is an amenable number.

42552542501 is a deficient number, since it is larger than the sum of its proper divisors (6078934651).

42552542501 is an equidigital number, since it uses as much as digits as its factorization.

42552542501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078934650.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 42552542501 in words is "forty-two billion, five hundred fifty-two million, five hundred forty-two thousand, five hundred one".