48177820 has 48 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 18645824.

The previous prime is 48177803. The next prime is 48177821. The reversal of 48177820 is 2877184.

It is a super-2 number, since 2×48177820² = 4642204679904800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48177820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48177821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100341 + ... + 100819.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^48177820 is an apocalyptic number.

It is an amenable number.

48177820 is an abundant number, since it is smaller than the sum of its proper divisors (56331620).

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

48177820 is a wasteful number, since it uses less digits than its factorization.

48177820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 48177820 is about 6941.0244200694. The cubic root of 48177820 is about 363.8723438361.

The spelling of 48177820 in words is "forty-eight million, one hundred seventy-seven thousand, eight hundred twenty".