52177993 has 12 divisors (see below), whose sum is σ = 60977232. Its totient is φ = 44517480.

The previous prime is 52177987. The next prime is 52178003. The reversal of 52177993 is 39977125.

It is not a de Polignac number, because 52177993 - 2⁹ = 52177481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52177903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8778 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (5081436).

Almost surely, 2^52177993 is an apocalyptic number.

It is an amenable number.

52177993 is a deficient number, since it is larger than the sum of its proper divisors (8799239).

52177993 is a wasteful number, since it uses less digits than its factorization.

52177993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932 (or 4925 counting only the distinct ones).

The product of its digits is 119070, while the sum is 43.

The square root of 52177993 is about 7223.4336018268. The cubic root of 52177993 is about 373.6765030366.

The spelling of 52177993 in words is "fifty-two million, one hundred seventy-seven thousand, nine hundred ninety-three".