52321003542 has 64 divisors (see below), whose sum is σ = 116891409600. Its totient is φ = 17347115520.

The previous prime is 52321003531. The next prime is 52321003561. The reversal of 52321003542 is 24530012325.

It is a happy number.

52321003542 is a `hidden beast` number, since 523 + 2 + 100 + 35 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21973192 + ... + 21975572.

It is an arithmetic number, because the mean of its divisors is an integer number (1826428275).

Almost surely, 2^52321003542 is an apocalyptic number.

52321003542 is an abundant number, since it is smaller than the sum of its proper divisors (64570406058).

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

52321003542 is a wasteful number, since it uses less digits than its factorization.

52321003542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398 (or 4392 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 52321003542 its reverse (24530012325), we get a palindrome (76851015867).

The spelling of 52321003542 in words is "fifty-two billion, three hundred twenty-one million, three thousand, five hundred forty-two".