5542526021 has 4 divisors (see below), whose sum is σ = 5636467200. Its totient is φ = 5448584844.

The previous prime is 5542526009. The next prime is 5542526047. The reversal of 5542526021 is 1206252455.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1206252455 = 5 ⋅241250491.

It is a cyclic number.

It is not a de Polignac number, because 5542526021 - 2⁶ = 5542525957 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 (5542526221) 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, 46970501 + ... + 46970618.

It is an arithmetic number, because the mean of its divisors is an integer number (1409116800).

Almost surely, 2^5542526021 is an apocalyptic number.

It is an amenable number.

5542526021 is a deficient number, since it is larger than the sum of its proper divisors (93941179).

5542526021 is an equidigital number, since it uses as much as digits as its factorization.

5542526021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93941178.

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

The square root of 5542526021 is about 74448.1431669051. The cubic root of 5542526021 is about 1769.7119367996.

Adding to 5542526021 its reverse (1206252455), we get a palindrome (6748778476).

The spelling of 5542526021 in words is "five billion, five hundred forty-two million, five hundred twenty-six thousand, twenty-one".