7554465551 has 4 divisors (see below), whose sum is σ = 7682507400. Its totient is φ = 7426423704.

The previous prime is 7554465509. The next prime is 7554465553. The reversal of 7554465551 is 1555644557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555644557 = 9623 ⋅161659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7554465551 is a prime.

It is a super-2 number, since 2×7554465551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7554465496 and 7554465505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7554465553) 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, 64020836 + ... + 64020953.

It is an arithmetic number, because the mean of its divisors is an integer number (1920626850).

Almost surely, 2^7554465551 is an apocalyptic number.

7554465551 is a deficient number, since it is larger than the sum of its proper divisors (128041849).

7554465551 is a wasteful number, since it uses less digits than its factorization.

7554465551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128041848.

The product of its digits is 2100000, while the sum is 47.

The square root of 7554465551 is about 86916.4285448959. The cubic root of 7554465551 is about 1962.1607393101.

The spelling of 7554465551 in words is "seven billion, five hundred fifty-four million, four hundred sixty-five thousand, five hundred fifty-one".