53872187422 has 4 divisors (see below), whose sum is σ = 80808281136. Its totient is φ = 26936093710.

The previous prime is 53872187399. The next prime is 53872187477. The reversal of 53872187422 is 22478127835.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13468046854 + ... + 13468046857.

It is an arithmetic number, because the mean of its divisors is an integer number (20202070284).

Almost surely, 2^53872187422 is an apocalyptic number.

53872187422 is a deficient number, since it is larger than the sum of its proper divisors (26936093714).

53872187422 is a wasteful number, since it uses less digits than its factorization.

53872187422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26936093713.

The product of its digits is 1505280, while the sum is 49.

The spelling of 53872187422 in words is "fifty-three billion, eight hundred seventy-two million, one hundred eighty-seven thousand, four hundred twenty-two".