53351667 has 12 divisors (see below), whose sum is σ = 77127960. Its totient is φ = 35538048.

The previous prime is 53351663. The next prime is 53351717. The reversal of 53351667 is 76615335.

It is a happy number.

It is not a de Polignac number, because 53351667 - 2² = 53351663 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53351663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16684 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (6427330).

Almost surely, 2^53351667 is an apocalyptic number.

53351667 is a deficient number, since it is larger than the sum of its proper divisors (23776293).

53351667 is a wasteful number, since it uses less digits than its factorization.

53351667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962 (or 4959 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 53351667 is about 7304.2225458977. Note that the first 3 decimals coincide. The cubic root of 53351667 is about 376.4575382133.

The spelling of 53351667 in words is "fifty-three million, three hundred fifty-one thousand, six hundred sixty-seven".