54521042351 has 4 divisors (see below), whose sum is σ = 54546485952. Its totient is φ = 54495598752.

The previous prime is 54521042327. The next prime is 54521042357. The reversal of 54521042351 is 15324012545.

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 54521042351 - 2⁶ = 54521042287 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 (54521042357) 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, 12718586 + ... + 12722871.

It is an arithmetic number, because the mean of its divisors is an integer number (13636621488).

Almost surely, 2^54521042351 is an apocalyptic number.

54521042351 is a deficient number, since it is larger than the sum of its proper divisors (25443601).

54521042351 is a wasteful number, since it uses less digits than its factorization.

54521042351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443600.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 54521042351 its reverse (15324012545), we get a palindrome (69845054896).

The spelling of 54521042351 in words is "fifty-four billion, five hundred twenty-one million, forty-two thousand, three hundred fifty-one".