15495048 has 96 divisors (see below), whose sum is σ = 44717400. Its totient is φ = 4838400.

The previous prime is 15495043. The next prime is 15495049. The reversal of 15495048 is 84059451.

It can be written as a sum of positive squares in 4 ways, for example, as 4485924 + 11009124 = 2118^2 + 3318^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15495043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85518 + ... + 85698.

Almost surely, 2^15495048 is an apocalyptic number.

15495048 is a gapful number since it is divisible by the number (18) 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 15495048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22358700).

15495048 is an abundant number, since it is smaller than the sum of its proper divisors (29222352).

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

15495048 is a wasteful number, since it uses less digits than its factorization.

15495048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 15495048 is about 3936.3749821378. The cubic root of 15495048 is about 249.3049923144.

The spelling of 15495048 in words is "fifteen million, four hundred ninety-five thousand, forty-eight".