52780435942 has 32 divisors (see below), whose sum is σ = 90355208832. Its totient is φ = 22907142144.

The previous prime is 52780435933. The next prime is 52780435943. The reversal of 52780435942 is 24953408725.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780435943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457843 + ... + 561409.

It is an arithmetic number, because the mean of its divisors is an integer number (2823600276).

Almost surely, 2^52780435942 is an apocalyptic number.

52780435942 is a deficient number, since it is larger than the sum of its proper divisors (37574772890).

52780435942 is a wasteful number, since it uses less digits than its factorization.

52780435942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104752.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 52780435942 in words is "fifty-two billion, seven hundred eighty million, four hundred thirty-five thousand, nine hundred forty-two".