537157615552 has 56 divisors (see below), whose sum is σ = 1079634315200. Its totient is φ = 265125159936.

The previous prime is 537157615507. The next prime is 537157615559. The reversal of 537157615552 is 255516751735.

It is a super-5 number, since 5×537157615552⁵ (a number of 60 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 537157615552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537157615559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38282074 + ... + 38296102.

It is an arithmetic number, because the mean of its divisors is an integer number (19279184200).

Almost surely, 2^537157615552 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 537157615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539817157600).

537157615552 is an abundant number, since it is smaller than the sum of its proper divisors (542476699648).

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

537157615552 is a wasteful number, since it uses less digits than its factorization.

537157615552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21693 (or 21683 counting only the distinct ones).

The product of its digits is 5512500, while the sum is 52.

The spelling of 537157615552 in words is "five hundred thirty-seven billion, one hundred fifty-seven million, six hundred fifteen thousand, five hundred fifty-two".