52987815929 has 2 divisors, whose sum is σ = 52987815930. Its totient is φ = 52987815928.

The previous prime is 52987815901. The next prime is 52987815949. The reversal of 52987815929 is 92951878925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52975927225 + 11888704 = 230165^2 + 3448^2 .

It is a cyclic number.

It is not a de Polignac number, because 52987815929 - 2¹⁶ = 52987750393 is a prime.

It is a super-2 number, since 2×52987815929² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52987815949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493907964 + 26493907965.

It is an arithmetic number, because the mean of its divisors is an integer number (26493907965).

Almost surely, 2^52987815929 is an apocalyptic number.

It is an amenable number.

52987815929 is a deficient number, since it is larger than the sum of its proper divisors (1).

52987815929 is an equidigital number, since it uses as much as digits as its factorization.

52987815929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 65.

The spelling of 52987815929 in words is "fifty-two billion, nine hundred eighty-seven million, eight hundred fifteen thousand, nine hundred twenty-nine".