52151922477 has 12 divisors (see below), whose sum is σ = 75535819840. Its totient is φ = 34673210568.

The previous prime is 52151922463. The next prime is 52151922497. The reversal of 52151922477 is 77422915125.

52151922477 is a `hidden beast` number, since 5 + 2 + 151 + 9 + 22 + 477 = 666.

It is not a de Polignac number, because 52151922477 - 2⁶ = 52151922413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52151922457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7891327 + ... + 7897932.

Almost surely, 2^52151922477 is an apocalyptic number.

It is an amenable number.

52151922477 is a deficient number, since it is larger than the sum of its proper divisors (23383897363).

52151922477 is a wasteful number, since it uses less digits than its factorization.

52151922477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789632 (or 15789629 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 52151922477 in words is "fifty-two billion, one hundred fifty-one million, nine hundred twenty-two thousand, four hundred seventy-seven".