49997078 has 8 divisors (see below), whose sum is σ = 78256368. Its totient is φ = 23911624.

The previous prime is 49997071. The next prime is 49997093. The reversal of 49997078 is 87079994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49997071) 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, 543401 + ... + 543492.

It is an arithmetic number, because the mean of its divisors is an integer number (9782046).

Almost surely, 2^49997078 is an apocalyptic number.

49997078 is a deficient number, since it is larger than the sum of its proper divisors (28259290).

49997078 is a wasteful number, since it uses less digits than its factorization.

49997078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086918.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 49997078 is about 7070.8611922453. The cubic root of 49997078 is about 368.3959732309.

The spelling of 49997078 in words is "forty-nine million, nine hundred ninety-seven thousand, seventy-eight".