1553545364 has 12 divisors (see below), whose sum is σ = 3107090784. Its totient is φ = 665805144.

The previous prime is 1553545351. The next prime is 1553545369. The reversal of 1553545364 is 4635453551.

1553545364 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553545369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27741854 + ... + 27741909.

It is an arithmetic number, because the mean of its divisors is an integer number (258924232).

Almost surely, 2^1553545364 is an apocalyptic number.

1553545364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1553545364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1553545364 is a wasteful number, since it uses less digits than its factorization.

1553545364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55483774 (or 55483772 counting only the distinct ones).

The product of its digits is 540000, while the sum is 41.

The square root of 1553545364 is about 39415.0398198454. The cubic root of 1553545364 is about 1158.1762274765.

The spelling of 1553545364 in words is "one billion, five hundred fifty-three million, five hundred forty-five thousand, three hundred sixty-four".