1553423416 has 32 divisors (see below), whose sum is σ = 3159233280. Its totient is φ = 713190400.

The previous prime is 1553423387. The next prime is 1553423441. The reversal of 1553423416 is 6143243551.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 133720 + ... + 144871.

It is an arithmetic number, because the mean of its divisors is an integer number (98726040).

Almost surely, 2^1553423416 is an apocalyptic number.

It is an amenable number.

1553423416 is an abundant number, since it is smaller than the sum of its proper divisors (1605809864).

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

1553423416 is a wasteful number, since it uses less digits than its factorization.

1553423416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278655 (or 278651 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 1553423416 is about 39413.4928165470. The cubic root of 1553423416 is about 1158.1459223921.

Adding to 1553423416 its reverse (6143243551), we get a palindrome (7696666967).

The spelling of 1553423416 in words is "one billion, five hundred fifty-three million, four hundred twenty-three thousand, four hundred sixteen".