1554427356 has 24 divisors (see below), whose sum is σ = 3631570320. Its totient is φ = 517489152.

The previous prime is 1554427337. The next prime is 1554427397. The reversal of 1554427356 is 6537244551.

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, 71701 + ... + 90828.

It is an arithmetic number, because the mean of its divisors is an integer number (151315430).

Almost surely, 2^1554427356 is an apocalyptic number.

It is an amenable number.

1554427356 is an abundant number, since it is smaller than the sum of its proper divisors (2077142964).

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

1554427356 is a wasteful number, since it uses less digits than its factorization.

1554427356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163333 (or 163331 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 1554427356 is about 39426.2267532667. The cubic root of 1554427356 is about 1158.3953625680.

The spelling of 1554427356 in words is "one billion, five hundred fifty-four million, four hundred twenty-seven thousand, three hundred fifty-six".