50545477 has 4 divisors (see below), whose sum is σ = 51402240. Its totient is φ = 49688716.

The previous prime is 50545459. The next prime is 50545487. The reversal of 50545477 is 77454505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50545477 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 (50545427) 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, 428293 + ... + 428410.

It is an arithmetic number, because the mean of its divisors is an integer number (12850560).

Almost surely, 2^50545477 is an apocalyptic number.

It is an amenable number.

50545477 is a deficient number, since it is larger than the sum of its proper divisors (856763).

50545477 is an equidigital number, since it uses as much as digits as its factorization.

50545477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856762.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 50545477 is about 7109.5342322827. The cubic root of 50545477 is about 369.7380102974.

The spelling of 50545477 in words is "fifty million, five hundred forty-five thousand, four hundred seventy-seven".