52667531 has 8 divisors (see below), whose sum is σ = 61327584. Its totient is φ = 44291520.

The previous prime is 52667507. The next prime is 52667533. The reversal of 52667531 is 13576625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52667531 - 2⁶ = 52667467 is a prime.

It is a super-2 number, since 2×52667531² = 5547737643271922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52667491 and 52667500.

It is not an unprimeable number, because it can be changed into a prime (52667533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70610 + ... + 71351.

It is an arithmetic number, because the mean of its divisors is an integer number (7665948).

Almost surely, 2^52667531 is an apocalyptic number.

52667531 is a deficient number, since it is larger than the sum of its proper divisors (8660053).

52667531 is a wasteful number, since it uses less digits than its factorization.

52667531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142021.

The product of its digits is 37800, while the sum is 35.

The square root of 52667531 is about 7257.2399023320. The cubic root of 52667531 is about 374.8414879696.

The spelling of 52667531 in words is "fifty-two million, six hundred sixty-seven thousand, five hundred thirty-one".