52990641 has 24 divisors (see below), whose sum is σ = 84131424. Its totient is φ = 31872960.

The previous prime is 52990631. The next prime is 52990657. The reversal of 52990641 is 14609925.

52990641 is a `hidden beast` number, since 5 + 2 + 9 + 9 + 0 + 641 = 666.

It is not a de Polignac number, because 52990641 - 2¹⁰ = 52989617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52990596 and 52990605.

It is not an unprimeable number, because it can be changed into a prime (52990621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11610 + ... + 15516.

It is an arithmetic number, because the mean of its divisors is an integer number (3505476).

Almost surely, 2^52990641 is an apocalyptic number.

It is an amenable number.

52990641 is a deficient number, since it is larger than the sum of its proper divisors (31140783).

52990641 is a wasteful number, since it uses less digits than its factorization.

52990641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 52990641 is about 7279.4670821428. The cubic root of 52990641 is about 375.6064640084.

The spelling of 52990641 in words is "fifty-two million, nine hundred ninety thousand, six hundred forty-one".