155400054 has 32 divisors (see below), whose sum is σ = 314496000. Its totient is φ = 51188064.

The previous prime is 155400017. The next prime is 155400061. The reversal of 155400054 is 450004551.

It is a junction number, because it is equal to n+sod(n) for n = 155399997 and 155400033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324187 + ... + 324665.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000).

Almost surely, 2^155400054 is an apocalyptic number.

155400054 is an abundant number, since it is smaller than the sum of its proper divisors (159095946).

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

155400054 is a wasteful number, since it uses less digits than its factorization.

155400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 155400054 is about 12465.9557996970. The cubic root of 155400054 is about 537.6302813092.

The spelling of 155400054 in words is "one hundred fifty-five million, four hundred thousand, fifty-four".