55433480 has 16 divisors (see below), whose sum is σ = 124725420. Its totient is φ = 22173376.

The previous prime is 55433461. The next prime is 55433503. The reversal of 55433480 is 8433455.

It can be written as a sum of positive squares in 2 ways, for example, as 53260804 + 2172676 = 7298^2 + 1474^2 .

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, 692879 + ... + 692958.

Almost surely, 2^55433480 is an apocalyptic number.

It is an amenable number.

55433480 is an abundant number, since it is smaller than the sum of its proper divisors (69291940).

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

55433480 is a wasteful number, since it uses less digits than its factorization.

55433480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385848 (or 1385844 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 55433480 is about 7445.3663442439. The cubic root of 55433480 is about 381.2917259715.

The spelling of 55433480 in words is "fifty-five million, four hundred thirty-three thousand, four hundred eighty".