552378231465 has 16 divisors (see below), whose sum is σ = 935793710208. Its totient is φ = 277272210176.

The previous prime is 552378231403. The next prime is 552378231523. The reversal of 552378231465 is 564132873255.

It is a cyclic number.

It is not a de Polignac number, because 552378231465 - 2⁶ = 552378231401 is a prime.

It is a super-2 number, since 2×552378231465² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083094317 + ... + 1083094826.

It is an arithmetic number, because the mean of its divisors is an integer number (58487106888).

Almost surely, 2^552378231465 is an apocalyptic number.

It is an amenable number.

552378231465 is a deficient number, since it is larger than the sum of its proper divisors (383415478743).

552378231465 is a wasteful number, since it uses less digits than its factorization.

552378231465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166189168.

The product of its digits is 6048000, while the sum is 51.

The spelling of 552378231465 in words is "five hundred fifty-two billion, three hundred seventy-eight million, two hundred thirty-one thousand, four hundred sixty-five".