1553404828 has 12 divisors (see below), whose sum is σ = 2723290920. Its totient is φ = 775321712.

The previous prime is 1553404771. The next prime is 1553404871. The reversal of 1553404828 is 8284043551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342643 + ... + 347146.

It is an arithmetic number, because the mean of its divisors is an integer number (226940910).

Almost surely, 2^1553404828 is an apocalyptic number.

It is an amenable number.

1553404828 is a deficient number, since it is larger than the sum of its proper divisors (1169886092).

1553404828 is a wasteful number, since it uses less digits than its factorization.

1553404828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690356 (or 690354 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 1553404828 is about 39413.2570082707. The cubic root of 1553404828 is about 1158.1413029814.

The spelling of 1553404828 in words is "one billion, five hundred fifty-three million, four hundred four thousand, eight hundred twenty-eight".