1555125332 has 6 divisors (see below), whose sum is σ = 2721469338. Its totient is φ = 777562664.

The previous prime is 1555125317. The next prime is 1555125343. The reversal of 1555125332 is 2335215551.

It can be written as a sum of positive squares in only one way, i.e., 1515233476 + 39891856 = 38926^2 + 6316^2 .

It is a super-2 number, since 2×1555125332² = 4836829596456220448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194390663 + ... + 194390670.

It is an arithmetic number, because the mean of its divisors is an integer number (453578223).

Almost surely, 2^1555125332 is an apocalyptic number.

It is an amenable number.

1555125332 is a deficient number, since it is larger than the sum of its proper divisors (1166344006).

1555125332 is a wasteful number, since it uses less digits than its factorization.

1555125332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388781337 (or 388781335 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 1555125332 is about 39435.0774311399. The cubic root of 1555125332 is about 1158.5687192646.

The spelling of 1555125332 in words is "one billion, five hundred fifty-five million, one hundred twenty-five thousand, three hundred thirty-two".