50898661 has 8 divisors (see below), whose sum is σ = 55684800. Its totient is φ = 46139040.

The previous prime is 50898649. The next prime is 50898677. The reversal of 50898661 is 16689805.

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 50898661 - 2¹¹ = 50896613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50898641) 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, 2496 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (6960600).

Almost surely, 2^50898661 is an apocalyptic number.

It is an amenable number.

50898661 is a deficient number, since it is larger than the sum of its proper divisors (4786139).

50898661 is a wasteful number, since it uses less digits than its factorization.

50898661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 50898661 is about 7134.3297512801. The cubic root of 50898661 is about 370.5971875443.

Subtracting from 50898661 its reverse (16689805), we obtain a triangular number (34208856 = T₈₂₇₁).

The spelling of 50898661 in words is "fifty million, eight hundred ninety-eight thousand, six hundred sixty-one".