49551880 has 64 divisors (see below), whose sum is σ = 130890240. Its totient is φ = 16526592.

The previous prime is 49551863. The next prime is 49551893. The reversal of 49551880 is 8815594.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7969 + ... + 12751.

It is an arithmetic number, because the mean of its divisors is an integer number (2045160).

Almost surely, 2^49551880 is an apocalyptic number.

49551880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49551880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65445120).

49551880 is an abundant number, since it is smaller than the sum of its proper divisors (81338360).

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

49551880 is a wasteful number, since it uses less digits than its factorization.

49551880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 49551880 is about 7039.3096252402. The cubic root of 49551880 is about 367.2992532819.

The spelling of 49551880 in words is "forty-nine million, five hundred fifty-one thousand, eight hundred eighty".