49378753 has 4 divisors (see below), whose sum is σ = 50971648. Its totient is φ = 47785860.

The previous prime is 49378751. The next prime is 49378759. The reversal of 49378753 is 35787394.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49378753 - 2¹ = 49378751 is a prime.

It is a super-2 number, since 2×49378753² = 4876522495670018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49378751) 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, 796401 + ... + 796462.

It is an arithmetic number, because the mean of its divisors is an integer number (12742912).

Almost surely, 2^49378753 is an apocalyptic number.

It is an amenable number.

49378753 is a deficient number, since it is larger than the sum of its proper divisors (1592895).

49378753 is a wasteful number, since it uses less digits than its factorization.

49378753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592894.

The product of its digits is 635040, while the sum is 46.

The square root of 49378753 is about 7027.0017076987. The cubic root of 49378753 is about 366.8709908946.

The spelling of 49378753 in words is "forty-nine million, three hundred seventy-eight thousand, seven hundred fifty-three".