537655320 has 320 divisors, whose sum is σ = 1919427840. Its totient is φ = 134784000.

The previous prime is 537655301. The next prime is 537655357. The reversal of 537655320 is 23556735.

537655320 is a `hidden beast` number, since 53 + 76 + 5 + 532 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 79 ways as a sum of consecutive naturals, for example, 5323270 + ... + 5323370.

It is an arithmetic number, because the mean of its divisors is an integer number (5998212).

Almost surely, 2^537655320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537655320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959713920).

537655320 is an abundant number, since it is smaller than the sum of its proper divisors (1381772520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537655320 is a wasteful number, since it uses less digits than its factorization.

537655320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 537655320 is about 23187.3957140512. The cubic root of 537655320 is about 813.1449748953.

The spelling of 537655320 in words is "five hundred thirty-seven million, six hundred fifty-five thousand, three hundred twenty".