50878755 has 12 divisors (see below), whose sum is σ = 88189920. Its totient is φ = 27135312.

The previous prime is 50878753. The next prime is 50878757. The reversal of 50878755 is 55787805.

It is a happy number.

50878755 is a `hidden beast` number, since 508 + 78 + 75 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (50878753) and next prime (50878757).

It is not a de Polignac number, because 50878755 - 2¹ = 50878753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1130639 = 50878755 / (5 + 0 + 8 + 7 + 8 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50878755.

It is not an unprimeable number, because it can be changed into a prime (50878753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565275 + ... + 565364.

It is an arithmetic number, because the mean of its divisors is an integer number (7349160).

Almost surely, 2^50878755 is an apocalyptic number.

50878755 is a deficient number, since it is larger than the sum of its proper divisors (37311165).

50878755 is a wasteful number, since it uses less digits than its factorization.

50878755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130650 (or 1130647 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The square root of 50878755 is about 7132.9345293505. The cubic root of 50878755 is about 370.5488688565.

The spelling of 50878755 in words is "fifty million, eight hundred seventy-eight thousand, seven hundred fifty-five".