155770054 has 16 divisors (see below), whose sum is σ = 255546576. Its totient is φ = 70624000.

The previous prime is 155770003. The next prime is 155770061. The reversal of 155770054 is 450077551.

It is a happy number.

155770054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 7 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (15971661).

Almost surely, 2^155770054 is an apocalyptic number.

155770054 is a deficient number, since it is larger than the sum of its proper divisors (99776522).

155770054 is a wasteful number, since it uses less digits than its factorization.

155770054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18071.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 155770054 is about 12480.7873950324. The cubic root of 155770054 is about 538.0566336645.

The spelling of 155770054 in words is "one hundred fifty-five million, seven hundred seventy thousand, fifty-four".