52421103551 has 4 divisors (see below), whose sum is σ = 52422023352. Its totient is φ = 52420183752.

The previous prime is 52421103487. The next prime is 52421103599. The reversal of 52421103551 is 15530112425.

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 52421103551 - 2⁶ = 52421103487 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 (52421103451) 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, 368336 + ... + 490421.

It is an arithmetic number, because the mean of its divisors is an integer number (13105505838).

Almost surely, 2^52421103551 is an apocalyptic number.

52421103551 is a deficient number, since it is larger than the sum of its proper divisors (919801).

52421103551 is an equidigital number, since it uses as much as digits as its factorization.

52421103551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919800.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 52421103551 its reverse (15530112425), we get a palindrome (67951215976).

The spelling of 52421103551 in words is "fifty-two billion, four hundred twenty-one million, one hundred three thousand, five hundred fifty-one".