52081029 has 128 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 23846400.

The previous prime is 52081027. The next prime is 52081031. The reversal of 52081029 is 92018025.

52081029 = 1107² + 1108² + ... + 1147².

It is an interprime number because it is at equal distance from previous prime (52081027) and next prime (52081031).

It is not a de Polignac number, because 52081029 - 2¹ = 52081027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52080993 and 52081011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52081027) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1108084 + ... + 1108130.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^52081029 is an apocalyptic number.

It is an amenable number.

52081029 is an abundant number, since it is smaller than the sum of its proper divisors (56299131).

52081029 is a wasteful number, since it uses less digits than its factorization.

52081029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 52081029 is about 7216.7187142080. The cubic root of 52081029 is about 373.4448879184. Note that the first 3 decimals are identical.

The spelling of 52081029 in words is "fifty-two million, eighty-one thousand, twenty-nine".