157550755 has 8 divisors (see below), whose sum is σ = 199011600. Its totient is φ = 119406816.

The previous prime is 157550719. The next prime is 157550761. The reversal of 157550755 is 557055751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157550755 is a prime.

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, 829120 + ... + 829309.

It is an arithmetic number, because the mean of its divisors is an integer number (24876450).

Almost surely, 2^157550755 is an apocalyptic number.

157550755 is a deficient number, since it is larger than the sum of its proper divisors (41460845).

157550755 is a wasteful number, since it uses less digits than its factorization.

157550755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658453.

The product of its (nonzero) digits is 153125, while the sum is 40.

The square root of 157550755 is about 12551.9223627299. The cubic root of 157550755 is about 540.0991530319.

The spelling of 157550755 in words is "one hundred fifty-seven million, five hundred fifty thousand, seven hundred fifty-five".