50401555 has 16 divisors (see below), whose sum is σ = 61808544. Its totient is φ = 39444480.

The previous prime is 50401543. The next prime is 50401573. The reversal of 50401555 is 55510405.

It is not a de Polignac number, because 50401555 - 2⁵ = 50401523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78064 + ... + 78706.

It is an arithmetic number, because the mean of its divisors is an integer number (3863034).

Almost surely, 2^50401555 is an apocalyptic number.

50401555 is a deficient number, since it is larger than the sum of its proper divisors (11406989).

50401555 is a wasteful number, since it uses less digits than its factorization.

50401555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 50401555 is about 7099.4052567803. The cubic root of 50401555 is about 369.3867489294.

The spelling of 50401555 in words is "fifty million, four hundred one thousand, five hundred fifty-five".