57200155 has 8 divisors (see below), whose sum is σ = 72677952. Its totient is φ = 43068288.

The previous prime is 57200137. The next prime is 57200179. The reversal of 57200155 is 55100275.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57200155 - 2¹³ = 57191963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336387 + ... + 336556.

It is an arithmetic number, because the mean of its divisors is an integer number (9084744).

Almost surely, 2^57200155 is an apocalyptic number.

57200155 is a deficient number, since it is larger than the sum of its proper divisors (15477797).

57200155 is a wasteful number, since it uses less digits than its factorization.

57200155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672965.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 57200155 is about 7563.0784076327. The cubic root of 57200155 is about 385.3000528170.

The spelling of 57200155 in words is "fifty-seven million, two hundred thousand, one hundred fifty-five".