55773151507 has 8 divisors (see below), whose sum is σ = 56377461600. Its totient is φ = 55172082240.

The previous prime is 55773151487. The next prime is 55773151531. The reversal of 55773151507 is 70515137755.

55773151507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55773151507 - 2³¹ = 53625667859 is a prime.

It is a super-2 number, since 2×55773151507² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55773151537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775594 + ... + 844447.

It is an arithmetic number, because the mean of its divisors is an integer number (7047182700).

Almost surely, 2^55773151507 is an apocalyptic number.

55773151507 is a deficient number, since it is larger than the sum of its proper divisors (604310093).

55773151507 is a wasteful number, since it uses less digits than its factorization.

55773151507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620413.

The product of its (nonzero) digits is 643125, while the sum is 46.

The spelling of 55773151507 in words is "fifty-five billion, seven hundred seventy-three million, one hundred fifty-one thousand, five hundred seven".