5537025781 has 16 divisors (see below), whose sum is σ = 6375350016. Its totient is φ = 4710617856.

The previous prime is 5537025779. The next prime is 5537025787. The reversal of 5537025781 is 1875207355.

It is not a de Polignac number, because 5537025781 - 2¹ = 5537025779 is a prime.

It is a super-2 number, since 2×5537025781² = 61317308998917319922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5537025787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881805 + ... + 888061.

It is an arithmetic number, because the mean of its divisors is an integer number (398459376).

Almost surely, 2^5537025781 is an apocalyptic number.

It is an amenable number.

5537025781 is a deficient number, since it is larger than the sum of its proper divisors (838324235).

5537025781 is a wasteful number, since it uses less digits than its factorization.

5537025781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 5537025781 is about 74411.1939226888. The cubic root of 5537025781 is about 1769.1263396680.

The spelling of 5537025781 in words is "five billion, five hundred thirty-seven million, twenty-five thousand, seven hundred eighty-one".