50919998 has 32 divisors (see below), whose sum is σ = 85678560. Its totient is φ = 22579200.

The previous prime is 50919983. The next prime is 50920013. The reversal of 50919998 is 89991905.

It is an interprime number because it is at equal distance from previous prime (50919983) and next prime (50920013).

It is a congruent 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, 41798 + ... + 42998.

It is an arithmetic number, because the mean of its divisors is an integer number (2677455).

Almost surely, 2^50919998 is an apocalyptic number.

50919998 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50919998 is a deficient number, since it is larger than the sum of its proper divisors (34758562).

50919998 is a wasteful number, since it uses less digits than its factorization.

50919998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 50919998 is about 7135.8249698265. The cubic root of 50919998 is about 370.6489657728.

The spelling of 50919998 in words is "fifty million, nine hundred nineteen thousand, nine hundred ninety-eight".