52161526 has 4 divisors (see below), whose sum is σ = 78242292. Its totient is φ = 26080762.

The previous prime is 52161503. The next prime is 52161533. The reversal of 52161526 is 62516125.

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

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52161494 and 52161503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13040380 + ... + 13040383.

It is an arithmetic number, because the mean of its divisors is an integer number (19560573).

Almost surely, 2^52161526 is an apocalyptic number.

52161526 is a deficient number, since it is larger than the sum of its proper divisors (26080766).

52161526 is a wasteful number, since it uses less digits than its factorization.

52161526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26080765.

The product of its digits is 3600, while the sum is 28.

The square root of 52161526 is about 7222.2936799884. The cubic root of 52161526 is about 373.6371890267.

The spelling of 52161526 in words is "fifty-two million, one hundred sixty-one thousand, five hundred twenty-six".