5537538388 has 6 divisors (see below), whose sum is σ = 9690692186. Its totient is φ = 2768769192.

The previous prime is 5537538283. The next prime is 5537538389. The reversal of 5537538388 is 8838357355.

It can be written as a sum of positive squares in only one way, i.e., 3892262544 + 1645275844 = 62388^2 + 40562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5537538389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692192295 + ... + 692192302.

Almost surely, 2^5537538388 is an apocalyptic number.

It is an amenable number.

5537538388 is a deficient number, since it is larger than the sum of its proper divisors (4153153798).

5537538388 is a wasteful number, since it uses less digits than its factorization.

5537538388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384384601 (or 1384384599 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 55.

The square root of 5537538388 is about 74414.6382642555. The cubic root of 5537538388 is about 1769.1809320670.

The spelling of 5537538388 in words is "five billion, five hundred thirty-seven million, five hundred thirty-eight thousand, three hundred eighty-eight".