155701056 has 56 divisors (see below), whose sum is σ = 470814400. Its totient is φ = 44485632.

The previous prime is 155701037. The next prime is 155701057. The reversal of 155701056 is 650107551.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155701057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56581 + ... + 59268.

It is an arithmetic number, because the mean of its divisors is an integer number (8407400).

Almost surely, 2^155701056 is an apocalyptic number.

155701056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155701056 is an abundant number, since it is smaller than the sum of its proper divisors (315113344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155701056 is a wasteful number, since it uses less digits than its factorization.

155701056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115871 (or 115861 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 155701056 is about 12478.0229203187. The cubic root of 155701056 is about 537.9771782675.

The spelling of 155701056 in words is "one hundred fifty-five million, seven hundred one thousand, fifty-six".