55693357 has 4 divisors (see below), whose sum is σ = 55891836. Its totient is φ = 55494880.

The previous prime is 55693349. The next prime is 55693361. The reversal of 55693357 is 75339655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44275716 + 11417641 = 6654^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 55693357 - 2³ = 55693349 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 (55693307) 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, 98818 + ... + 99379.

It is an arithmetic number, because the mean of its divisors is an integer number (13972959).

Almost surely, 2^55693357 is an apocalyptic number.

It is an amenable number.

55693357 is a deficient number, since it is larger than the sum of its proper divisors (198479).

55693357 is a wasteful number, since it uses less digits than its factorization.

55693357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198478.

The product of its digits is 425250, while the sum is 43.

The square root of 55693357 is about 7462.7982017471. The cubic root of 55693357 is about 381.8866402485.

The spelling of 55693357 in words is "fifty-five million, six hundred ninety-three thousand, three hundred fifty-seven".