153896556 has 48 divisors (see below), whose sum is σ = 397127808. Its totient is φ = 45993600.

The previous prime is 153896551. The next prime is 153896557. The reversal of 153896556 is 655698351.

It is a happy number.

It is a super-2 number, since 2×153896556² = 47368299897322272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153896551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (8273496).

Almost surely, 2^153896556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153896556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198563904).

153896556 is an abundant number, since it is smaller than the sum of its proper divisors (243231252).

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

153896556 is a wasteful number, since it uses less digits than its factorization.

153896556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062 (or 16060 counting only the distinct ones).

The product of its digits is 972000, while the sum is 48.

The square root of 153896556 is about 12405.5050683154. The cubic root of 153896556 is about 535.8907988347.

It can be divided in two parts, 15389 and 6556, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 153896556 in words is "one hundred fifty-three million, eight hundred ninety-six thousand, five hundred fifty-six".