155635896 has 32 divisors (see below), whose sum is σ = 419020560. Its totient is φ = 47887872.

The previous prime is 155635891. The next prime is 155635913. The reversal of 155635896 is 698536551.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155635891) 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, 249105 + ... + 249728.

Almost surely, 2^155635896 is an apocalyptic number.

It is an amenable number.

155635896 is an abundant number, since it is smaller than the sum of its proper divisors (263384664).

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

155635896 is a wasteful number, since it uses less digits than its factorization.

155635896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498855 (or 498851 counting only the distinct ones).

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

The square root of 155635896 is about 12475.4116565346. The cubic root of 155635896 is about 537.9021210071.

The spelling of 155635896 in words is "one hundred fifty-five million, six hundred thirty-five thousand, eight hundred ninety-six".