55432150 has 24 divisors (see below), whose sum is σ = 104026824. Its totient is φ = 21974400.

The previous prime is 55432067. The next prime is 55432151. The reversal of 55432150 is 5123455.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55432151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (4334451).

Almost surely, 2^55432150 is an apocalyptic number.

55432150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55432150 is a deficient number, since it is larger than the sum of its proper divisors (48594674).

55432150 is a wasteful number, since it uses less digits than its factorization.

55432150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936 (or 9931 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55432150 is about 7445.2770264108. The cubic root of 55432150 is about 381.2886765385.

The spelling of 55432150 in words is "fifty-five million, four hundred thirty-two thousand, one hundred fifty".