55520461 has 8 divisors (see below), whose sum is σ = 57127680. Its totient is φ = 53918928.

The previous prime is 55520441. The next prime is 55520467. The reversal of 55520461 is 16402555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55520461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520467) 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, 25560 + ... + 27646.

It is an arithmetic number, because the mean of its divisors is an integer number (7140960).

Almost surely, 2^55520461 is an apocalyptic number.

It is an amenable number.

55520461 is a deficient number, since it is larger than the sum of its proper divisors (1607219).

55520461 is a wasteful number, since it uses less digits than its factorization.

55520461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55520461 is about 7451.2053387355. The cubic root of 55520461 is about 381.4910507850.

The spelling of 55520461 in words is "fifty-five million, five hundred twenty thousand, four hundred sixty-one".