1552435540 has 36 divisors (see below), whose sum is σ = 3376445436. Its totient is φ = 599554816.

The previous prime is 1552435537. The next prime is 1552435571. The reversal of 1552435540 is 455342551.

It can be written as a sum of positive squares in 6 ways, for example, as 128731716 + 1423703824 = 11346^2 + 37732^2 .

It is a super-2 number, since 2×1552435540² = 4820112211710183200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1552435496 and 1552435505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29329 + ... + 62968.

It is an arithmetic number, because the mean of its divisors is an integer number (93790151).

Almost surely, 2^1552435540 is an apocalyptic number.

1552435540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552435540 is an abundant number, since it is smaller than the sum of its proper divisors (1824009896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552435540 is a wasteful number, since it uses less digits than its factorization.

1552435540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92364 (or 92333 counting only the distinct ones).

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

The square root of 1552435540 is about 39400.9586177798. The cubic root of 1552435540 is about 1157.9003685698.

The spelling of 1552435540 in words is "one billion, five hundred fifty-two million, four hundred thirty-five thousand, five hundred forty".