155553454201 has 8 divisors (see below), whose sum is σ = 157271404680. Its totient is φ = 153843946368.

The previous prime is 155553454193. The next prime is 155553454219. The reversal of 155553454201 is 102454355551.

It can be written as a sum of positive squares in 4 ways, for example, as 6189755625 + 149363698576 = 78675^2 + 386476^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 155553454201 - 2³ = 155553454193 is a prime.

It is a super-2 number, since 2×155553454201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155553454601) 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, 2073606 + ... + 2147311.

It is an arithmetic number, because the mean of its divisors is an integer number (19658925585).

Almost surely, 2^155553454201 is an apocalyptic number.

It is an amenable number.

155553454201 is a deficient number, since it is larger than the sum of its proper divisors (1717950479).

155553454201 is a wasteful number, since it uses less digits than its factorization.

155553454201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221323.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 155553454201 in words is "one hundred fifty-five billion, five hundred fifty-three million, four hundred fifty-four thousand, two hundred one".