52991467 has 8 divisors (see below), whose sum is σ = 54197424. Its totient is φ = 51793248.

The previous prime is 52991461. The next prime is 52991483. The reversal of 52991467 is 76419925.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52991467 - 2¹⁵ = 52958699 is a prime.

It is a super-3 number, since 3×52991467³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52991461) 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, 13233 + ... + 16765.

It is an arithmetic number, because the mean of its divisors is an integer number (6774678).

Almost surely, 2^52991467 is an apocalyptic number.

52991467 is a deficient number, since it is larger than the sum of its proper divisors (1205957).

52991467 is a wasteful number, since it uses less digits than its factorization.

52991467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869.

The product of its digits is 136080, while the sum is 43.

The square root of 52991467 is about 7279.5238168441. The cubic root of 52991467 is about 375.6084156066.

The spelling of 52991467 in words is "fifty-two million, nine hundred ninety-one thousand, four hundred sixty-seven".