155388054 has 8 divisors (see below), whose sum is σ = 310776120. Its totient is φ = 51796016.

The previous prime is 155388043. The next prime is 155388059. The reversal of 155388054 is 450883551.

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

155388054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155388059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12948999 + ... + 12949010.

It is an arithmetic number, because the mean of its divisors is an integer number (38847015).

Almost surely, 2^155388054 is an apocalyptic number.

155388054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155388054 is a wasteful number, since it uses less digits than its factorization.

155388054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25898014.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 155388054 is about 12465.4744795375. The cubic root of 155388054 is about 537.6164423405.

The spelling of 155388054 in words is "one hundred fifty-five million, three hundred eighty-eight thousand, fifty-four".