49163770 has 16 divisors (see below), whose sum is σ = 89372808. Its totient is φ = 19470400.

The previous prime is 49163767. The next prime is 49163789. The reversal of 49163770 is 7736194.

It can be written as a sum of positive squares in 4 ways, for example, as 48149721 + 1014049 = 6939^2 + 1007^2 .

It is a super-2 number, since 2×49163770² = 4834152561225800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 23329 + ... + 25348.

Almost surely, 2^49163770 is an apocalyptic number.

49163770 is a deficient number, since it is larger than the sum of its proper divisors (40209038).

49163770 is a wasteful number, since it uses less digits than its factorization.

49163770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48785.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 49163770 is about 7011.6880991670. The cubic root of 49163770 is about 366.3377941868.

It can be divided in two parts, 491 and 63770, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 49163770 in words is "forty-nine million, one hundred sixty-three thousand, seven hundred seventy".