50654551 has 4 divisors (see below), whose sum is σ = 53320600. Its totient is φ = 47988504.

The previous prime is 50654521. The next prime is 50654567. The reversal of 50654551 is 15545605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15545605 = 5 ⋅3109121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50654551 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 (50654501) 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, 1332996 + ... + 1333033.

It is an arithmetic number, because the mean of its divisors is an integer number (13330150).

Almost surely, 2^50654551 is an apocalyptic number.

50654551 is a deficient number, since it is larger than the sum of its proper divisors (2666049).

50654551 is a wasteful number, since it uses less digits than its factorization.

50654551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666048.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 50654551 is about 7117.2010650255. The cubic root of 50654551 is about 370.0037764406.

The spelling of 50654551 in words is "fifty million, six hundred fifty-four thousand, five hundred fifty-one".