1555051252 has 24 divisors (see below), whose sum is σ = 2852430336. Its totient is φ = 740375328.

The previous prime is 1555051249. The next prime is 1555051261. The reversal of 1555051252 is 2521505551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17383 + ... + 58414.

It is an arithmetic number, because the mean of its divisors is an integer number (118851264).

Almost surely, 2^1555051252 is an apocalyptic number.

It is an amenable number.

1555051252 is a deficient number, since it is larger than the sum of its proper divisors (1297379084).

1555051252 is a wasteful number, since it uses less digits than its factorization.

1555051252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76047 (or 76045 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 1555051252 is about 39434.1381546497. The cubic root of 1555051252 is about 1158.5503224337.

The spelling of 1555051252 in words is "one billion, five hundred fifty-five million, fifty-one thousand, two hundred fifty-two".