153053550 has 336 divisors, whose sum is σ = 512310960. Its totient is φ = 33592320.

The previous prime is 153053539. The next prime is 153053581. The reversal of 153053550 is 55350351.

153053550 is a `hidden beast` number, since 1 + 5 + 305 + 355 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 8055441 + ... + 8055459.

It is an arithmetic number, because the mean of its divisors is an integer number (1524735).

Almost surely, 2^153053550 is an apocalyptic number.

153053550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153053550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256155480).

153053550 is an abundant number, since it is smaller than the sum of its proper divisors (359257410).

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

153053550 is a wasteful number, since it uses less digits than its factorization.

153053550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 153053550 is about 12371.4813179344. The cubic root of 153053550 is about 534.9105157933.

The spelling of 153053550 in words is "one hundred fifty-three million, fifty-three thousand, five hundred fifty".