55404460 has 24 divisors (see below), whose sum is σ = 117552960. Its totient is φ = 21932544.

The previous prime is 55404439. The next prime is 55404463. The reversal of 55404460 is 6440455.

It is not an unprimeable number, because it can be changed into a prime (55404463) 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, 12340 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (4898040).

Almost surely, 2^55404460 is an apocalyptic number.

It is an amenable number.

55404460 is an abundant number, since it is smaller than the sum of its proper divisors (62148500).

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

55404460 is a wasteful number, since it uses less digits than its factorization.

55404460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665 (or 28663 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 55404460 is about 7443.4172259789. The cubic root of 55404460 is about 381.2251776368.

It can be divided in two parts, 5540 and 4460, that added together give a 4-th power (10000 = 10⁴).

The spelling of 55404460 in words is "fifty-five million, four hundred four thousand, four hundred sixty".