53620091 has 16 divisors (see below), whose sum is σ = 66272256. Its totient is φ = 42331776.

The previous prime is 53620079. The next prime is 53620103. The reversal of 53620091 is 19002635.

It is an interprime number because it is at equal distance from previous prime (53620079) and next prime (53620103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53620091 is a prime.

It is a super-2 number, since 2×53620091² = 5750228317696562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53620091.

It is not an unprimeable number, because it can be changed into a prime (53620001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (4142016).

Almost surely, 2^53620091 is an apocalyptic number.

53620091 is a deficient number, since it is larger than the sum of its proper divisors (12652165).

53620091 is a wasteful number, since it uses less digits than its factorization.

53620091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9658.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 53620091 is about 7322.5740692737. The cubic root of 53620091 is about 377.0878293072.

The spelling of 53620091 in words is "fifty-three million, six hundred twenty thousand, ninety-one".