55813461 has 16 divisors (see below), whose sum is σ = 81511488. Its totient is φ = 33689600.

The previous prime is 55813451. The next prime is 55813481. The reversal of 55813461 is 16431855.

It is a cyclic number.

It is not a de Polignac number, because 55813461 - 2¹⁵ = 55780693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55813411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5191 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (5094468).

Almost surely, 2^55813461 is an apocalyptic number.

It is an amenable number.

55813461 is a deficient number, since it is larger than the sum of its proper divisors (25698027).

55813461 is a wasteful number, since it uses less digits than its factorization.

55813461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852.

The product of its digits is 14400, while the sum is 33.

The square root of 55813461 is about 7470.8407157428. The cubic root of 55813461 is about 382.1609589136.

The spelling of 55813461 in words is "fifty-five million, eight hundred thirteen thousand, four hundred sixty-one".