55146465 has 48 divisors (see below), whose sum is σ = 107130816. Its totient is φ = 26006400.

The previous prime is 55146451. The next prime is 55146467. The reversal of 55146465 is 56464155.

55146465 is a `hidden beast` number, since 5 + 5 + 1 + 4 + 646 + 5 = 666.

It is not a de Polignac number, because 55146465 - 2⁴ = 55146449 is a prime.

It is a super-2 number, since 2×55146465² = 6082265203992450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55146467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16810 + ... + 19820.

It is an arithmetic number, because the mean of its divisors is an integer number (2231892).

Almost surely, 2^55146465 is an apocalyptic number.

55146465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55146465 is a deficient number, since it is larger than the sum of its proper divisors (51984351).

55146465 is a wasteful number, since it uses less digits than its factorization.

55146465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3067 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55146465 is about 7426.0665900596. The cubic root of 55146465 is about 380.6325222777.

It can be divided in two parts, 55146 and 465, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 55146465 in words is "fifty-five million, one hundred forty-six thousand, four hundred sixty-five".