537503655 has 48 divisors (see below), whose sum is σ = 953099136. Its totient is φ = 258410880.

The previous prime is 537503647. The next prime is 537503657. The reversal of 537503655 is 556305735.

It is a happy number.

It is not a de Polignac number, because 537503655 - 2³ = 537503647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537503657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106540 + ... + 111470.

It is an arithmetic number, because the mean of its divisors is an integer number (19856232).

Almost surely, 2^537503655 is an apocalyptic number.

537503655 is a deficient number, since it is larger than the sum of its proper divisors (415595481).

537503655 is a wasteful number, since it uses less digits than its factorization.

537503655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 39.

The square root of 537503655 is about 23184.1250643625. The cubic root of 537503655 is about 813.0685087865.

The spelling of 537503655 in words is "five hundred thirty-seven million, five hundred three thousand, six hundred fifty-five".