5542154521 has 4 divisors (see below), whose sum is σ = 5556778000. Its totient is φ = 5527531044.

The previous prime is 5542154491. The next prime is 5542154561. The reversal of 5542154521 is 1254512455.

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 5542154521 - 2⁷ = 5542154393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5542154561) 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, 7311171 + ... + 7311928.

It is an arithmetic number, because the mean of its divisors is an integer number (1389194500).

Almost surely, 2^5542154521 is an apocalyptic number.

It is an amenable number.

5542154521 is a deficient number, since it is larger than the sum of its proper divisors (14623479).

5542154521 is a wasteful number, since it uses less digits than its factorization.

5542154521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14623478.

The product of its digits is 40000, while the sum is 34.

The square root of 5542154521 is about 74445.6480998050. The cubic root of 5542154521 is about 1769.6723963041.

Adding to 5542154521 its reverse (1254512455), we get a palindrome (6796666976).

The spelling of 5542154521 in words is "five billion, five hundred forty-two million, one hundred fifty-four thousand, five hundred twenty-one".