1552553401 has 8 divisors (see below), whose sum is σ = 1774688960. Its totient is φ = 1330503408.

The previous prime is 1552553369. The next prime is 1552553417. The reversal of 1552553401 is 1043552551.

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 1552553401 - 2⁵ = 1552553369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552553701) 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, 23890 + ... + 60628.

It is an arithmetic number, because the mean of its divisors is an integer number (221836120).

Almost surely, 2^1552553401 is an apocalyptic number.

It is an amenable number.

1552553401 is a deficient number, since it is larger than the sum of its proper divisors (222135559).

1552553401 is an equidigital number, since it uses as much as digits as its factorization.

1552553401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42783.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1552553401 is about 39402.4542509727. The cubic root of 1552553401 is about 1157.9296704503.

The spelling of 1552553401 in words is "one billion, five hundred fifty-two million, five hundred fifty-three thousand, four hundred one".