55357844 has 6 divisors (see below), whose sum is σ = 96876234. Its totient is φ = 27678920.

The previous prime is 55357829. The next prime is 55357859. The reversal of 55357844 is 44875355.

It is an interprime number because it is at equal distance from previous prime (55357829) and next prime (55357859).

It can be written as a sum of positive squares in only one way, i.e., 53290000 + 2067844 = 7300^2 + 1438^2 .

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, 6919727 + ... + 6919734.

It is an arithmetic number, because the mean of its divisors is an integer number (16146039).

Almost surely, 2^55357844 is an apocalyptic number.

It is an amenable number.

55357844 is a deficient number, since it is larger than the sum of its proper divisors (41518390).

55357844 is a wasteful number, since it uses less digits than its factorization.

55357844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839465 (or 13839463 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The square root of 55357844 is about 7440.2852095871. The cubic root of 55357844 is about 381.1182296925.

The spelling of 55357844 in words is "fifty-five million, three hundred fifty-seven thousand, eight hundred forty-four".