50120978 has 4 divisors (see below), whose sum is σ = 75181470. Its totient is φ = 25060488.

The previous prime is 50120957. The next prime is 50121007. The reversal of 50120978 is 87902105.

50120978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 15816529 = 5857^2 + 3977^2 .

It is a super-2 number, since 2×50120978² = 5024224871352968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530243 + ... + 12530246.

Almost surely, 2^50120978 is an apocalyptic number.

50120978 is a deficient number, since it is larger than the sum of its proper divisors (25060492).

50120978 is a wasteful number, since it uses less digits than its factorization.

50120978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25060491.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 50120978 is about 7079.6170800404. The cubic root of 50120978 is about 368.7000350572.

It can be divided in two parts, 5012097 and 8, that added together give a palindrome (5012105).

The spelling of 50120978 in words is "fifty million, one hundred twenty thousand, nine hundred seventy-eight".