1553492256 has 24 divisors (see below), whose sum is σ = 4077917424. Its totient is φ = 517830720.

The previous prime is 1553492167. The next prime is 1553492257. The reversal of 1553492256 is 6522943551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1553492257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8091010 + ... + 8091201.

It is an arithmetic number, because the mean of its divisors is an integer number (169913226).

Almost surely, 2^1553492256 is an apocalyptic number.

1553492256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1553492256 is an abundant number, since it is smaller than the sum of its proper divisors (2524425168).

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

1553492256 is a wasteful number, since it uses less digits than its factorization.

1553492256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182224 (or 16182216 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 1553492256 is about 39414.3661118633. The cubic root of 1553492256 is about 1158.1630298952.

The spelling of 1553492256 in words is "one billion, five hundred fifty-three million, four hundred ninety-two thousand, two hundred fifty-six".