155387736054 has 96 divisors (see below), whose sum is σ = 366311630880. Its totient is φ = 47405730816.

The previous prime is 155387736041. The next prime is 155387736059. The reversal of 155387736054 is 450637783551.

155387736054 is a `hidden beast` number, since 1 + 5 + 538 + 77 + 36 + 0 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155387736059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36828357 + ... + 36832575.

It is an arithmetic number, because the mean of its divisors is an integer number (3815746155).

Almost surely, 2^155387736054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155387736054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183155815440).

155387736054 is an abundant number, since it is smaller than the sum of its proper divisors (210923894826).

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

155387736054 is a wasteful number, since it uses less digits than its factorization.

155387736054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 155387736054 in words is "one hundred fifty-five billion, three hundred eighty-seven million, seven hundred thirty-six thousand, fifty-four".