49392865 has 8 divisors (see below), whose sum is σ = 59796648. Its totient is φ = 39164160.

The previous prime is 49392857. The next prime is 49392877. The reversal of 49392865 is 56829394.

It can be written as a sum of positive squares in 4 ways, for example, as 853776 + 48539089 = 924^2 + 6967^2 .

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

It is not a de Polignac number, because 49392865 - 2³ = 49392857 is a prime.

It is a super-2 number, since 2×49392865² = 4879310225816450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43146 + ... + 44275.

It is an arithmetic number, because the mean of its divisors is an integer number (7474581).

Almost surely, 2^49392865 is an apocalyptic number.

It is an amenable number.

49392865 is a deficient number, since it is larger than the sum of its proper divisors (10403783).

49392865 is a wasteful number, since it uses less digits than its factorization.

49392865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87539.

The product of its digits is 466560, while the sum is 46.

The square root of 49392865 is about 7028.0057626613. The cubic root of 49392865 is about 366.9059370336.

Subtracting 49392865 from its reverse (56829394), we obtain a square (7436529 = 2727²).

The spelling of 49392865 in words is "forty-nine million, three hundred ninety-two thousand, eight hundred sixty-five".