53117267406 has 16 divisors (see below), whose sum is σ = 121410897024. Its totient is φ = 15176362104.

The previous prime is 53117267393. The next prime is 53117267443. The reversal of 53117267406 is 60476271135.

It is a happy number.

53117267406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1264696843 = 53117267406 / (5 + 3 + 1 + 1 + 7 + 2 + 6 + 7 + 4 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632348380 + ... + 632348463.

It is an arithmetic number, because the mean of its divisors is an integer number (7588181064).

Almost surely, 2^53117267406 is an apocalyptic number.

53117267406 is an abundant number, since it is smaller than the sum of its proper divisors (68293629618).

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

53117267406 is a wasteful number, since it uses less digits than its factorization.

53117267406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264696855.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 53117267406 in words is "fifty-three billion, one hundred seventeen million, two hundred sixty-seven thousand, four hundred six".