49995405 has 24 divisors (see below), whose sum is σ = 89456640. Its totient is φ = 25803360.

The previous prime is 49995389. The next prime is 49995457. The reversal of 49995405 is 50459994.

It is not a de Polignac number, because 49995405 - 2⁴ = 49995389 is a prime.

It is a super-2 number, since 2×49995405² = 4999081042228050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16525 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (3727360).

Almost surely, 2^49995405 is an apocalyptic number.

49995405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49995405 is a deficient number, since it is larger than the sum of its proper divisors (39461235).

49995405 is a wasteful number, since it uses less digits than its factorization.

49995405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35881 (or 35878 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 49995405 is about 7070.7428888342. The cubic root of 49995405 is about 368.3918641018.

It can be divided in two parts, 4999 and 5405, that added together give a square (10404 = 102²).

The spelling of 49995405 in words is "forty-nine million, nine hundred ninety-five thousand, four hundred five".