50861377 has 4 divisors (see below), whose sum is σ = 58127296. Its totient is φ = 43595460.

The previous prime is 50861357. The next prime is 50861381. The reversal of 50861377 is 77316805.

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-50861377 is a prime.

It is a super-2 number, since 2×50861377² = 5173759340672258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50861357) 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, 3632949 + ... + 3632962.

It is an arithmetic number, because the mean of its divisors is an integer number (14531824).

Almost surely, 2^50861377 is an apocalyptic number.

It is an amenable number.

50861377 is a deficient number, since it is larger than the sum of its proper divisors (7265919).

50861377 is an equidigital number, since it uses as much as digits as its factorization.

50861377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265918.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 50861377 is about 7131.7162731000. The cubic root of 50861377 is about 370.5066761867.

The spelling of 50861377 in words is "fifty million, eight hundred sixty-one thousand, three hundred seventy-seven".