1552870049 has 4 divisors (see below), whose sum is σ = 1644215364. Its totient is φ = 1461524736.

The previous prime is 1552870043. The next prime is 1552870061. The reversal of 1552870049 is 9400782551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9400782551 = 19 ⋅494778029.

It can be written as a sum of positive squares in 2 ways, for example, as 1050213649 + 502656400 = 32407^2 + 22420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552870049 - 2²⁰ = 1551821473 is a prime.

It is a super-2 number, since 2×1552870049² = 4822810778162524802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1552869988 and 1552870015.

It is not an unprimeable number, because it can be changed into a prime (1552870043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45672632 + ... + 45672665.

It is an arithmetic number, because the mean of its divisors is an integer number (411053841).

Almost surely, 2^1552870049 is an apocalyptic number.

It is an amenable number.

1552870049 is a deficient number, since it is larger than the sum of its proper divisors (91345315).

1552870049 is an equidigital number, since it uses as much as digits as its factorization.

1552870049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91345314.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1552870049 is about 39406.4721714593. The cubic root of 1552870049 is about 1158.0083861947.

The spelling of 1552870049 in words is "one billion, five hundred fifty-two million, eight hundred seventy thousand, forty-nine".