52073841155657 has 4 divisors (see below), whose sum is σ = 52139178472836. Its totient is φ = 52008503838480.

The previous prime is 52073841155593. The next prime is 52073841155683. The reversal of 52073841155657 is 75655114837025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23816068989241 + 28257772166416 = 4880171^2 + 5315804^2 .

It is a cyclic number.

It is not a de Polignac number, because 52073841155657 - 2⁶ = 52073841155593 is a prime.

It is a super-2 number, since 2×52073841155657² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52073841155596 and 52073841155605.

It is not an unprimeable number, because it can be changed into a prime (52073840155657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32668657394 + ... + 32668658987.

It is an arithmetic number, because the mean of its divisors is an integer number (13034794618209).

Almost surely, 2^{52073841155657} is an apocalyptic number.

It is an amenable number.

52073841155657 is a deficient number, since it is larger than the sum of its proper divisors (65337317179).

52073841155657 is an equidigital number, since it uses as much as digits as its factorization.

52073841155657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65337317178.

The product of its (nonzero) digits is 35280000, while the sum is 59.

The spelling of 52073841155657 in words is "fifty-two trillion, seventy-three billion, eight hundred forty-one million, one hundred fifty-five thousand, six hundred fifty-seven".