49551520 has 48 divisors (see below), whose sum is σ = 119008008. Its totient is φ = 19491840.

The previous prime is 49551461. The next prime is 49551527. The reversal of 49551520 is 2515594.

It can be written as a sum of positive squares in 4 ways, for example, as 39891856 + 9659664 = 6316^2 + 3108^2 .

It is not an unprimeable number, because it can be changed into a prime (49551527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222 + ... + 12298.

Almost surely, 2^49551520 is an apocalyptic number.

49551520 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 49551520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59504004).

49551520 is an abundant number, since it is smaller than the sum of its proper divisors (69456488).

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

49551520 is a wasteful number, since it uses less digits than its factorization.

49551520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 49551520 is about 7039.2840545044. The cubic root of 49551520 is about 367.2983637896.

The spelling of 49551520 in words is "forty-nine million, five hundred fifty-one thousand, five hundred twenty".