537995644 has 6 divisors (see below), whose sum is σ = 941492384. Its totient is φ = 268997820.

The previous prime is 537995639. The next prime is 537995657. The reversal of 537995644 is 446599735.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 537995591 and 537995600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67249452 + ... + 67249459.

Almost surely, 2^537995644 is an apocalyptic number.

It is an amenable number.

537995644 is a deficient number, since it is larger than the sum of its proper divisors (403496740).

537995644 is a wasteful number, since it uses less digits than its factorization.

537995644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134498915 (or 134498913 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The square root of 537995644 is about 23194.7331090487. The cubic root of 537995644 is about 813.3165063406.

The spelling of 537995644 in words is "five hundred thirty-seven million, nine hundred ninety-five thousand, six hundred forty-four".