48581775 has 72 divisors (see below), whose sum is σ = 98577024. Its totient is φ = 23522400.

The previous prime is 48581749. The next prime is 48581779. The reversal of 48581775 is 57718584.

It is a happy number.

It is not a de Polignac number, because 48581775 - 2⁶ = 48581711 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 48581775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48581779) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66462 + ... + 67188.

Almost surely, 2^48581775 is an apocalyptic number.

48581775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48581775 is an abundant number, since it is smaller than the sum of its proper divisors (49995249).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48581775 is a wasteful number, since it uses less digits than its factorization.

48581775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 746 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 48581775 is about 6970.0627687274. The cubic root of 48581775 is about 364.8864975162.

The spelling of 48581775 in words is "forty-eight million, five hundred eighty-one thousand, seven hundred seventy-five".