49893919 has 4 divisors (see below), whose sum is σ = 50113944. Its totient is φ = 49673896.

The previous prime is 49893887. The next prime is 49893941. The reversal of 49893919 is 91939894.

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

It is a cyclic number.

It is not a de Polignac number, because 49893919 - 2⁵ = 49893887 is a prime.

It is a super-2 number, since 2×49893919² = 4978806306357122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49893959) 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, 109672 + ... + 110125.

It is an arithmetic number, because the mean of its divisors is an integer number (12528486).

Almost surely, 2^49893919 is an apocalyptic number.

49893919 is a deficient number, since it is larger than the sum of its proper divisors (220025).

49893919 is a wasteful number, since it uses less digits than its factorization.

49893919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220024.

The product of its digits is 629856, while the sum is 52.

The square root of 49893919 is about 7063.5627695944. The cubic root of 49893919 is about 368.1424282293.

The spelling of 49893919 in words is "forty-nine million, eight hundred ninety-three thousand, nine hundred nineteen".