1555252342 has 32 divisors (see below), whose sum is σ = 2683886400. Its totient is φ = 662120448.

The previous prime is 1555252291. The next prime is 1555252343. The reversal of 1555252342 is 2432525551.

It is a junction number, because it is equal to n+sod(n) for n = 1555252298 and 1555252307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555252343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922034 + ... + 1922842.

It is an arithmetic number, because the mean of its divisors is an integer number (83871450).

Almost surely, 2^1555252342 is an apocalyptic number.

1555252342 is a deficient number, since it is larger than the sum of its proper divisors (1128634058).

1555252342 is a wasteful number, since it uses less digits than its factorization.

1555252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 60000, while the sum is 34.

The square root of 1555252342 is about 39436.6877665962. The cubic root of 1555252342 is about 1158.6002592321.

Adding to 1555252342 its reverse (2432525551), we get a palindrome (3987777893).

The spelling of 1555252342 in words is "one billion, five hundred fifty-five million, two hundred fifty-two thousand, three hundred forty-two".