53437320406 has 16 divisors (see below), whose sum is σ = 82056154320. Its totient is φ = 26091571680.

The previous prime is 53437320397. The next prime is 53437320407. The reversal of 53437320406 is 60402373435.

53437320406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53437320407) 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, 1558621 + ... + 1592536.

It is an arithmetic number, because the mean of its divisors is an integer number (5128509645).

Almost surely, 2^53437320406 is an apocalyptic number.

53437320406 is a deficient number, since it is larger than the sum of its proper divisors (28618833914).

53437320406 is a wasteful number, since it uses less digits than its factorization.

53437320406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151359.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 53437320406 in words is "fifty-three billion, four hundred thirty-seven million, three hundred twenty thousand, four hundred six".