1057652305542 has 96 divisors (see below), whose sum is σ = 2772190137600. Its totient is φ = 284682371904.

The previous prime is 1057652305537. The next prime is 1057652305543. The reversal of 1057652305542 is 2455032567501.

It is a happy number.

1057652305542 is a `hidden beast` number, since 1 + 0 + 5 + 7 + 65 + 2 + 30 + 554 + 2 = 666.

It is a super-2 number, since 2×1057652305542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057652305543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 805533 + ... + 1662584.

It is an arithmetic number, because the mean of its divisors is an integer number (28876980600).

Almost surely, 2^{1057652305542} is an apocalyptic number.

1057652305542 is an abundant number, since it is smaller than the sum of its proper divisors (1714537832058).

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

1057652305542 is a wasteful number, since it uses less digits than its factorization.

1057652305542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468330 (or 2468327 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 1057652305542 in words is "one trillion, fifty-seven billion, six hundred fifty-two million, three hundred five thousand, five hundred forty-two".