48781761 has 32 divisors (see below), whose sum is σ = 76447488. Its totient is φ = 27095040.

The previous prime is 48781753. The next prime is 48781769. The reversal of 48781761 is 16718784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48781753) and next prime (48781769).

It is not a de Polignac number, because 48781761 - 2³ = 48781753 is a prime.

It is a super-2 number, since 2×48781761² = 4759320412522242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48781769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144585 + ... + 144921.

It is an arithmetic number, because the mean of its divisors is an integer number (2388984).

Almost surely, 2^48781761 is an apocalyptic number.

It is an amenable number.

48781761 is a deficient number, since it is larger than the sum of its proper divisors (27665727).

48781761 is a wasteful number, since it uses less digits than its factorization.

48781761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 75264, while the sum is 42.

The square root of 48781761 is about 6984.3941040007. The cubic root of 48781761 is about 365.3864949596.

The spelling of 48781761 in words is "forty-eight million, seven hundred eighty-one thousand, seven hundred sixty-one".