52178997 has 32 divisors (see below), whose sum is σ = 80120320. Its totient is φ = 29937600.

The previous prime is 52178969. The next prime is 52179011. The reversal of 52178997 is 79987125.

It is not a de Polignac number, because 52178997 - 2¹⁹ = 51654709 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 (52178197) 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 31 ways as a sum of consecutive naturals, for example, 49122 + ... + 50172.

It is an arithmetic number, because the mean of its divisors is an integer number (2503760).

Almost surely, 2^52178997 is an apocalyptic number.

52178997 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52178997 is a deficient number, since it is larger than the sum of its proper divisors (27941323).

52178997 is a wasteful number, since it uses less digits than its factorization.

52178997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its digits is 317520, while the sum is 48.

The square root of 52178997 is about 7223.5030975282. The cubic root of 52178997 is about 373.6788997610.

The spelling of 52178997 in words is "fifty-two million, one hundred seventy-eight thousand, nine hundred ninety-seven".