55211461 has 16 divisors (see below), whose sum is σ = 60501168. Its totient is φ = 50176000.

The previous prime is 55211423. The next prime is 55211467. The reversal of 55211461 is 16411255.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3587236 + 51624225 = 1894^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 55211461 - 2²¹ = 53114309 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 (55211467) 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, 78411 + ... + 79111.

It is an arithmetic number, because the mean of its divisors is an integer number (3781323).

Almost surely, 2^55211461 is an apocalyptic number.

It is an amenable number.

55211461 is a deficient number, since it is larger than the sum of its proper divisors (5289707).

55211461 is a wasteful number, since it uses less digits than its factorization.

55211461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its digits is 1200, while the sum is 25.

The square root of 55211461 is about 7430.4415077437. The cubic root of 55211461 is about 380.7820022631.

The spelling of 55211461 in words is "fifty-five million, two hundred eleven thousand, four hundred sixty-one".