53210631640406 has 16 divisors (see below), whose sum is σ = 84701772976464. Its totient is φ = 24983772862464.

The previous prime is 53210631640301. The next prime is 53210631640409. The reversal of 53210631640406 is 60404613601235.

It is a super-2 number, since 2×53210631640406² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53210631640409) 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, 1766371595 + ... + 1766401718.

It is an arithmetic number, because the mean of its divisors is an integer number (5293860811029).

Almost surely, 2^{53210631640406} is an apocalyptic number.

53210631640406 is a deficient number, since it is larger than the sum of its proper divisors (31491141336058).

53210631640406 is a wasteful number, since it uses less digits than its factorization.

53210631640406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532773775.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 53210631640406 in words is "fifty-three trillion, two hundred ten billion, six hundred thirty-one million, six hundred forty thousand, four hundred six".