55673140 has 12 divisors (see below), whose sum is σ = 116913636. Its totient is φ = 22269248.

The previous prime is 55673131. The next prime is 55673141. The reversal of 55673140 is 4137655.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 29724304 = 5094^2 + 5452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55673141) 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, 1391809 + ... + 1391848.

It is an arithmetic number, because the mean of its divisors is an integer number (9742803).

Almost surely, 2^55673140 is an apocalyptic number.

It is an amenable number.

55673140 is an abundant number, since it is smaller than the sum of its proper divisors (61240496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55673140 is a wasteful number, since it uses less digits than its factorization.

55673140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783666 (or 2783664 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55673140 is about 7461.4435600626. The cubic root of 55673140 is about 381.8404256607.

The spelling of 55673140 in words is "fifty-five million, six hundred seventy-three thousand, one hundred forty".