52387666542 has 16 divisors (see below), whose sum is σ = 116417036880. Its totient is φ = 17462555496.

The previous prime is 52387666489. The next prime is 52387666547. The reversal of 52387666542 is 24566678325.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 970141973 = 52387666542 / (5 + 2 + 3 + 8 + 7 + 6 + 6 + 6 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52387666547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485070933 + ... + 485071040.

It is an arithmetic number, because the mean of its divisors is an integer number (7276064805).

Almost surely, 2^52387666542 is an apocalyptic number.

52387666542 is an abundant number, since it is smaller than the sum of its proper divisors (64029370338).

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

52387666542 is a wasteful number, since it uses less digits than its factorization.

52387666542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970141984 (or 970141978 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 52387666542 in words is "fifty-two billion, three hundred eighty-seven million, six hundred sixty-six thousand, five hundred forty-two".