432155550 has 48 divisors (see below), whose sum is σ = 1073167920. Its totient is φ = 115088640.

The previous prime is 432155497. The next prime is 432155567. The reversal of 432155550 is 55551234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153556 + ... + 156344.

It is an arithmetic number, because the mean of its divisors is an integer number (22357665).

Almost surely, 2^432155550 is an apocalyptic number.

432155550 is an abundant number, since it is smaller than the sum of its proper divisors (641012370).

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

432155550 is a wasteful number, since it uses less digits than its factorization.

432155550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 432155550 is about 20788.3513054787. The cubic root of 432155550 is about 756.0433508637.

The spelling of 432155550 in words is "four hundred thirty-two million, one hundred fifty-five thousand, five hundred fifty".