155623054 has 16 divisors (see below), whose sum is σ = 237202560. Its totient is φ = 76560120.

The previous prime is 155623051. The next prime is 155623067. The reversal of 155623054 is 450326551.

155623054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155623051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104197 + ... + 105679.

It is an arithmetic number, because the mean of its divisors is an integer number (14825160).

Almost surely, 2^155623054 is an apocalyptic number.

155623054 is a deficient number, since it is larger than the sum of its proper divisors (81579506).

155623054 is a wasteful number, since it uses less digits than its factorization.

155623054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 155623054 is about 12474.8969534822. The cubic root of 155623054 is about 537.8873259433.

The spelling of 155623054 in words is "one hundred fifty-five million, six hundred twenty-three thousand, fifty-four".