55461428 has 12 divisors (see below), whose sum is σ = 105880992. Its totient is φ = 25209720.

The previous prime is 55461421. The next prime is 55461431. The reversal of 55461428 is 82416455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55461421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630200 + ... + 630287.

It is an arithmetic number, because the mean of its divisors is an integer number (8823416).

Almost surely, 2^55461428 is an apocalyptic number.

It is an amenable number.

55461428 is a deficient number, since it is larger than the sum of its proper divisors (50419564).

55461428 is a wasteful number, since it uses less digits than its factorization.

55461428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260502 (or 1260500 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 55461428 is about 7447.2429797879. The cubic root of 55461428 is about 381.3557940569.

The spelling of 55461428 in words is "fifty-five million, four hundred sixty-one thousand, four hundred twenty-eight".