50342644553 has 4 divisors (see below), whose sum is σ = 50344194948. Its totient is φ = 50341094160.

The previous prime is 50342644529. The next prime is 50342644567. The reversal of 50342644553 is 35544624305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21554056969 + 28788587584 = 146813^2 + 169672^2 .

It is a cyclic number.

It is not a de Polignac number, because 50342644553 - 2⁶ = 50342644489 is a prime.

It is a super-4 number, since 4×50342644553⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50342644553.

It is not an unprimeable number, because it can be changed into a prime (50342643553) 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, 725426 + ... + 791787.

It is an arithmetic number, because the mean of its divisors is an integer number (12586048737).

Almost surely, 2^50342644553 is an apocalyptic number.

It is an amenable number.

50342644553 is a deficient number, since it is larger than the sum of its proper divisors (1550395).

50342644553 is a wasteful number, since it uses less digits than its factorization.

50342644553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550394.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 50342644553 in words is "fifty billion, three hundred forty-two million, six hundred forty-four thousand, five hundred fifty-three".