53466667 has 4 divisors (see below), whose sum is σ = 53608120. Its totient is φ = 53325216.

The previous prime is 53466653. The next prime is 53466671. The reversal of 53466667 is 76666435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76666435 = 5 ⋅15333287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53466667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53466607) 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, 70158 + ... + 70915.

It is an arithmetic number, because the mean of its divisors is an integer number (13402030).

Almost surely, 2^53466667 is an apocalyptic number.

53466667 is a deficient number, since it is larger than the sum of its proper divisors (141453).

53466667 is a wasteful number, since it uses less digits than its factorization.

53466667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141452.

The product of its digits is 544320, while the sum is 43.

The square root of 53466667 is about 7312.0904671646. The cubic root of 53466667 is about 376.7278299752.

The spelling of 53466667 in words is "fifty-three million, four hundred sixty-six thousand, six hundred sixty-seven".