55340564 has 6 divisors (see below), whose sum is σ = 96845994. Its totient is φ = 27670280.

The previous prime is 55340543. The next prime is 55340587. The reversal of 55340564 is 46504355.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 18130564 = 6100^2 + 4258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55340564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6917567 + ... + 6917574.

It is an arithmetic number, because the mean of its divisors is an integer number (16140999).

Almost surely, 2^55340564 is an apocalyptic number.

It is an amenable number.

55340564 is a deficient number, since it is larger than the sum of its proper divisors (41505430).

55340564 is a wasteful number, since it uses less digits than its factorization.

55340564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13835145 (or 13835143 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55340564 is about 7439.1238731453. The cubic root of 55340564 is about 381.0785701014.

The spelling of 55340564 in words is "fifty-five million, three hundred forty thousand, five hundred sixty-four".