50391055 has 48 divisors (see below), whose sum is σ = 73735200. Its totient is φ = 32820480.

The previous prime is 50391037. The next prime is 50391079. The reversal of 50391055 is 55019305.

It is not a de Polignac number, because 50391055 - 2⁵ = 50391023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338121 + ... + 338269.

It is an arithmetic number, because the mean of its divisors is an integer number (1536150).

Almost surely, 2^50391055 is an apocalyptic number.

50391055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50391055 is a deficient number, since it is larger than the sum of its proper divisors (23344145).

50391055 is a wasteful number, since it uses less digits than its factorization.

50391055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 50391055 is about 7098.6657196969. The cubic root of 50391055 is about 369.3610960818.

The spelling of 50391055 in words is "fifty million, three hundred ninety-one thousand, fifty-five".