55461807 has 16 divisors (see below), whose sum is σ = 84171360. Its totient is φ = 36072000.

The previous prime is 55461793. The next prime is 55461811. The reversal of 55461807 is 70816455.

It is not a de Polignac number, because 55461807 - 2²⁰ = 54413231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55461907) 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, 23944 + ... + 26157.

It is an arithmetic number, because the mean of its divisors is an integer number (5260710).

Almost surely, 2^55461807 is an apocalyptic number.

55461807 is a deficient number, since it is larger than the sum of its proper divisors (28709553).

55461807 is a wasteful number, since it uses less digits than its factorization.

55461807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50151 (or 50145 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55461807 is about 7447.2684254027. The cubic root of 55461807 is about 381.3566627297.

The spelling of 55461807 in words is "fifty-five million, four hundred sixty-one thousand, eight hundred seven".