1553041545 has 64 divisors (see below), whose sum is σ = 2902936320. Its totient is φ = 700620800.

The previous prime is 1553041531. The next prime is 1553041547. The reversal of 1553041545 is 5451403551.

It is not a de Polignac number, because 1553041545 - 2⁸ = 1553041289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1553041547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246535 + ... + 252755.

It is an arithmetic number, because the mean of its divisors is an integer number (45358380).

Almost surely, 2^1553041545 is an apocalyptic number.

1553041545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553041545 is a deficient number, since it is larger than the sum of its proper divisors (1349894775).

1553041545 is a wasteful number, since it uses less digits than its factorization.

1553041545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1553041545 is about 39408.6480991165. The cubic root of 1553041545 is about 1158.0510140364.

It can be divided in two parts, 15530 and 41545, that added together give a palindrome (57075).

The spelling of 1553041545 in words is "one billion, five hundred fifty-three million, forty-one thousand, five hundred forty-five".